Vulnerability Details CVE-2026-27973
Audiobookshelf is a self-hosted audiobook and podcast server. A stored cross-site scripting (XSS) vulnerability exists in versions prior to 0.12.0-beta of the Audiobookshelf mobile application that allows arbitrary JavaScript execution through malicious library metadata. Attackers with library modification privileges can execute code in victim users' browsers/WebViews, potentially leading to session hijacking, data exfiltration, and unauthorized access to native device APIs. The issue is fixed in audiobookshelf-app version 0.12.0-beta, corresponding to audiobookshelf version 2.12.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 13.3%
CVSS Severity
CVSS v3 Score 4.0
Products affected by CVE-2026-27973
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cpe:2.3:a:audiobookshelf:audiobookshelf:-
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cpe:2.3:a:audiobookshelf:audiobookshelf:0.9.61
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.0.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.1.10
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.1.11
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.1.12
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.1.13
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.1.14
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.1.15
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.1.8
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.1.9
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.2.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.2.4
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.2.5
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.2.6
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.2.8
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.3.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.3.3
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.3.4
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.4.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.4.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.4.11
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.4.2
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.4.4
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.4.6
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.4.7
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.4.9
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.5.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.5.5
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.6.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.7.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.7.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:1.7.2
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.10
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.11
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.12
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.13
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.14
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.15
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.16
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.17
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.18
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.19
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.2
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.20
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.21
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.22
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.23
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.24
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.3
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.4
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.5
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.6
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.7
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.8
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.0.9
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.1.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.1.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.1.2
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.1.3
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.1.4
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.1.5
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.10.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.10.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.11.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.10
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.11
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.12
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.13
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.14
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.15
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.16
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.17
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.18
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.19
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.2
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.20
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.21
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.22
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.23
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.3
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.4
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.5
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.6
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.7
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.8
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.2.9
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.3.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.3.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.3.2
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.3.3
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.3.4
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.3.5
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.4.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.4.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.4.2
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.4.3
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.4.4
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.5.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.6.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.7.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.7.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.7.2
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.8.0
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.8.1
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cpe:2.3:a:audiobookshelf:audiobookshelf:2.9.0
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.1.0
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.10.0
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.10.1
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.11.0
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.2.1
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.0
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.35
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.36
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.37
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.38
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.39
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.40
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.41
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.42
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.43
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.44
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.45
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.46
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.47
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.48
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.49
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.50
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.51
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.52
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.53
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.54
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.55
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.56
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.57
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.58
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.59
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.60
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.61
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.62
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.63
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.64
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.65
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.66
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.67
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.68
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.69
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.70
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.71
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.72
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.73
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.74
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.75
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.76
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.77
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.78
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.79
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.80
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cpe:2.3:a:audiobookshelf:audiobookshelf_mobile_app:0.9.81