Vulnerability Details CVE-2026-40505
MuPDF before 1.27 contains an ANSI injection vulnerability in mutool that allows attackers to inject arbitrary ANSI escape sequences through crafted PDF metadata fields. Attackers can embed malicious ANSI escape codes in PDF metadata that are passed unsanitized to terminal output when running mutool info, enabling them to manipulate terminal display for social engineering attacks such as presenting fake prompts or spoofed commands.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 0.2%
CVSS Severity
CVSS v3 Score 3.3
Products affected by CVE-2026-40505
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cpe:2.3:a:artifex:mupdf:0.6
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cpe:2.3:a:artifex:mupdf:0.7
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cpe:2.3:a:artifex:mupdf:0.8
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cpe:2.3:a:artifex:mupdf:0.8.15
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cpe:2.3:a:artifex:mupdf:0.8.165
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cpe:2.3:a:artifex:mupdf:0.9
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cpe:2.3:a:artifex:mupdf:0.9.1
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cpe:2.3:a:artifex:mupdf:1.0
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cpe:2.3:a:artifex:mupdf:1.1
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cpe:2.3:a:artifex:mupdf:1.10
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cpe:2.3:a:artifex:mupdf:1.10a
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cpe:2.3:a:artifex:mupdf:1.11
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cpe:2.3:a:artifex:mupdf:1.12
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cpe:2.3:a:artifex:mupdf:1.12.0
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cpe:2.3:a:artifex:mupdf:1.13
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cpe:2.3:a:artifex:mupdf:1.13.0
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cpe:2.3:a:artifex:mupdf:1.14.0
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cpe:2.3:a:artifex:mupdf:1.15.0
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cpe:2.3:a:artifex:mupdf:1.15.1
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cpe:2.3:a:artifex:mupdf:1.15.2
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cpe:2.3:a:artifex:mupdf:1.16.0
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cpe:2.3:a:artifex:mupdf:1.16.1
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cpe:2.3:a:artifex:mupdf:1.17.0
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cpe:2.3:a:artifex:mupdf:1.18.0
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cpe:2.3:a:artifex:mupdf:1.18.1
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cpe:2.3:a:artifex:mupdf:1.19.0
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cpe:2.3:a:artifex:mupdf:1.19.1
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cpe:2.3:a:artifex:mupdf:1.2
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cpe:2.3:a:artifex:mupdf:1.20.0
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cpe:2.3:a:artifex:mupdf:1.20.1
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cpe:2.3:a:artifex:mupdf:1.20.2
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cpe:2.3:a:artifex:mupdf:1.20.3
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cpe:2.3:a:artifex:mupdf:1.21.0
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cpe:2.3:a:artifex:mupdf:1.21.1
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cpe:2.3:a:artifex:mupdf:1.22.0
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cpe:2.3:a:artifex:mupdf:1.22.1
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cpe:2.3:a:artifex:mupdf:1.22.2
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cpe:2.3:a:artifex:mupdf:1.23.0
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cpe:2.3:a:artifex:mupdf:1.23.1
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cpe:2.3:a:artifex:mupdf:1.23.10
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cpe:2.3:a:artifex:mupdf:1.23.11
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cpe:2.3:a:artifex:mupdf:1.23.2
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cpe:2.3:a:artifex:mupdf:1.23.3
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cpe:2.3:a:artifex:mupdf:1.23.4
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cpe:2.3:a:artifex:mupdf:1.23.5
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cpe:2.3:a:artifex:mupdf:1.23.6
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cpe:2.3:a:artifex:mupdf:1.23.7
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cpe:2.3:a:artifex:mupdf:1.23.8
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cpe:2.3:a:artifex:mupdf:1.23.9
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cpe:2.3:a:artifex:mupdf:1.24.0
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cpe:2.3:a:artifex:mupdf:1.24.1
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cpe:2.3:a:artifex:mupdf:1.24.10
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cpe:2.3:a:artifex:mupdf:1.24.11
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cpe:2.3:a:artifex:mupdf:1.24.2
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cpe:2.3:a:artifex:mupdf:1.24.3
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cpe:2.3:a:artifex:mupdf:1.24.4
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cpe:2.3:a:artifex:mupdf:1.24.5
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cpe:2.3:a:artifex:mupdf:1.24.6
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cpe:2.3:a:artifex:mupdf:1.24.7
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cpe:2.3:a:artifex:mupdf:1.24.8
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cpe:2.3:a:artifex:mupdf:1.24.9
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cpe:2.3:a:artifex:mupdf:1.25.0
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cpe:2.3:a:artifex:mupdf:1.25.1
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cpe:2.3:a:artifex:mupdf:1.25.2
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cpe:2.3:a:artifex:mupdf:1.25.3
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cpe:2.3:a:artifex:mupdf:1.25.4
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cpe:2.3:a:artifex:mupdf:1.25.5
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cpe:2.3:a:artifex:mupdf:1.25.6
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cpe:2.3:a:artifex:mupdf:1.26.0
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cpe:2.3:a:artifex:mupdf:1.26.1
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cpe:2.3:a:artifex:mupdf:1.26.10
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cpe:2.3:a:artifex:mupdf:1.26.2
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cpe:2.3:a:artifex:mupdf:1.26.3
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cpe:2.3:a:artifex:mupdf:1.26.4
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cpe:2.3:a:artifex:mupdf:1.26.5
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cpe:2.3:a:artifex:mupdf:1.26.6
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cpe:2.3:a:artifex:mupdf:1.26.7
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cpe:2.3:a:artifex:mupdf:1.26.8
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cpe:2.3:a:artifex:mupdf:1.26.9
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cpe:2.3:a:artifex:mupdf:1.3
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cpe:2.3:a:artifex:mupdf:1.4
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cpe:2.3:a:artifex:mupdf:1.5
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cpe:2.3:a:artifex:mupdf:1.6
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cpe:2.3:a:artifex:mupdf:1.7
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cpe:2.3:a:artifex:mupdf:1.7.1
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cpe:2.3:a:artifex:mupdf:1.7a
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cpe:2.3:a:artifex:mupdf:1.8
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cpe:2.3:a:artifex:mupdf:1.8.1
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cpe:2.3:a:artifex:mupdf:1.9
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cpe:2.3:a:artifex:mupdf:1.9a