Vulnerability Details CVE-2026-48920
Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as `base64` in email content by setting the `data-inline` attribute, without restrictions on the image URLs that can be inlined, allowing attackers able to control the email content to specify `file:` URLs for images to read arbitrary files from the Jenkins controller filesystem.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 21.4%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-48920
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cpe:2.3:a:jenkins:email_extension:1.0
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cpe:2.3:a:jenkins:email_extension:1.1
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cpe:2.3:a:jenkins:email_extension:1.2
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cpe:2.3:a:jenkins:email_extension:1806.v856a_01a_fa_39a_
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cpe:2.3:a:jenkins:email_extension:1814.v404722f34263
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cpe:2.3:a:jenkins:email_extension:1844.v3ea_a_b_842374a_
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cpe:2.3:a:jenkins:email_extension:1849.v6dd03b_f6e423
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cpe:2.3:a:jenkins:email_extension:1851.v2b_5345e6272d
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cpe:2.3:a:jenkins:email_extension:1855.vd9e491cb_de1e
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cpe:2.3:a:jenkins:email_extension:1861.vdb_d991590994
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cpe:2.3:a:jenkins:email_extension:1866.v14fa_6d201654
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cpe:2.3:a:jenkins:email_extension:1876.v28d8d38315b_d
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cpe:2.3:a:jenkins:email_extension:1911.v19b_8e86f9815
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cpe:2.3:a:jenkins:email_extension:1916.vc954a_f86ff21
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cpe:2.3:a:jenkins:email_extension:1922.v5c93c9e80a_f9
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cpe:2.3:a:jenkins:email_extension:1925.v1598902b_58dd
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cpe:2.3:a:jenkins:email_extension:1933.v45cec755423f
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cpe:2.3:a:jenkins:email_extension:2.0
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cpe:2.3:a:jenkins:email_extension:2.1
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cpe:2.3:a:jenkins:email_extension:2.10
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cpe:2.3:a:jenkins:email_extension:2.100
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cpe:2.3:a:jenkins:email_extension:2.101
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cpe:2.3:a:jenkins:email_extension:2.102
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cpe:2.3:a:jenkins:email_extension:2.103
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cpe:2.3:a:jenkins:email_extension:2.104
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cpe:2.3:a:jenkins:email_extension:2.105
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cpe:2.3:a:jenkins:email_extension:2.11
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cpe:2.3:a:jenkins:email_extension:2.12
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cpe:2.3:a:jenkins:email_extension:2.13
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cpe:2.3:a:jenkins:email_extension:2.14
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cpe:2.3:a:jenkins:email_extension:2.14.1
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cpe:2.3:a:jenkins:email_extension:2.15
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cpe:2.3:a:jenkins:email_extension:2.16
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cpe:2.3:a:jenkins:email_extension:2.17
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cpe:2.3:a:jenkins:email_extension:2.18
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cpe:2.3:a:jenkins:email_extension:2.19
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cpe:2.3:a:jenkins:email_extension:2.2
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cpe:2.3:a:jenkins:email_extension:2.2.1
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cpe:2.3:a:jenkins:email_extension:2.20
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cpe:2.3:a:jenkins:email_extension:2.21
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cpe:2.3:a:jenkins:email_extension:2.22
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cpe:2.3:a:jenkins:email_extension:2.24
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cpe:2.3:a:jenkins:email_extension:2.24.1
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cpe:2.3:a:jenkins:email_extension:2.25
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cpe:2.3:a:jenkins:email_extension:2.27
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cpe:2.3:a:jenkins:email_extension:2.27.1
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cpe:2.3:a:jenkins:email_extension:2.28
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cpe:2.3:a:jenkins:email_extension:2.29
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cpe:2.3:a:jenkins:email_extension:2.3
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cpe:2.3:a:jenkins:email_extension:2.30
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cpe:2.3:a:jenkins:email_extension:2.30.1
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cpe:2.3:a:jenkins:email_extension:2.30.2
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cpe:2.3:a:jenkins:email_extension:2.31
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cpe:2.3:a:jenkins:email_extension:2.32
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cpe:2.3:a:jenkins:email_extension:2.33
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cpe:2.3:a:jenkins:email_extension:2.34
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cpe:2.3:a:jenkins:email_extension:2.35
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cpe:2.3:a:jenkins:email_extension:2.35.1
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cpe:2.3:a:jenkins:email_extension:2.36
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cpe:2.3:a:jenkins:email_extension:2.37
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cpe:2.3:a:jenkins:email_extension:2.37.1
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cpe:2.3:a:jenkins:email_extension:2.37.2
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cpe:2.3:a:jenkins:email_extension:2.37.2.2
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cpe:2.3:a:jenkins:email_extension:2.38
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cpe:2.3:a:jenkins:email_extension:2.38.1
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cpe:2.3:a:jenkins:email_extension:2.38.2
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cpe:2.3:a:jenkins:email_extension:2.39
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cpe:2.3:a:jenkins:email_extension:2.39.2
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cpe:2.3:a:jenkins:email_extension:2.39.3
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cpe:2.3:a:jenkins:email_extension:2.4
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cpe:2.3:a:jenkins:email_extension:2.40
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cpe:2.3:a:jenkins:email_extension:2.40.1
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cpe:2.3:a:jenkins:email_extension:2.40.2
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cpe:2.3:a:jenkins:email_extension:2.40.3
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cpe:2.3:a:jenkins:email_extension:2.40.4
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cpe:2.3:a:jenkins:email_extension:2.40.5
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cpe:2.3:a:jenkins:email_extension:2.41
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cpe:2.3:a:jenkins:email_extension:2.41.2
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cpe:2.3:a:jenkins:email_extension:2.41.3
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cpe:2.3:a:jenkins:email_extension:2.42
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cpe:2.3:a:jenkins:email_extension:2.43
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cpe:2.3:a:jenkins:email_extension:2.44
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cpe:2.3:a:jenkins:email_extension:2.45
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cpe:2.3:a:jenkins:email_extension:2.46
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cpe:2.3:a:jenkins:email_extension:2.47
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cpe:2.3:a:jenkins:email_extension:2.48
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cpe:2.3:a:jenkins:email_extension:2.49
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cpe:2.3:a:jenkins:email_extension:2.5
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cpe:2.3:a:jenkins:email_extension:2.50
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cpe:2.3:a:jenkins:email_extension:2.51
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cpe:2.3:a:jenkins:email_extension:2.52
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cpe:2.3:a:jenkins:email_extension:2.53
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cpe:2.3:a:jenkins:email_extension:2.54
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cpe:2.3:a:jenkins:email_extension:2.55
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cpe:2.3:a:jenkins:email_extension:2.56
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cpe:2.3:a:jenkins:email_extension:2.57
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cpe:2.3:a:jenkins:email_extension:2.57.1
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cpe:2.3:a:jenkins:email_extension:2.57.2
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cpe:2.3:a:jenkins:email_extension:2.58
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cpe:2.3:a:jenkins:email_extension:2.59
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cpe:2.3:a:jenkins:email_extension:2.6
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cpe:2.3:a:jenkins:email_extension:2.60
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cpe:2.3:a:jenkins:email_extension:2.61
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cpe:2.3:a:jenkins:email_extension:2.62
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cpe:2.3:a:jenkins:email_extension:2.63
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cpe:2.3:a:jenkins:email_extension:2.64
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cpe:2.3:a:jenkins:email_extension:2.65
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cpe:2.3:a:jenkins:email_extension:2.66
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cpe:2.3:a:jenkins:email_extension:2.67
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cpe:2.3:a:jenkins:email_extension:2.68
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cpe:2.3:a:jenkins:email_extension:2.69
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cpe:2.3:a:jenkins:email_extension:2.7
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cpe:2.3:a:jenkins:email_extension:2.71
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cpe:2.3:a:jenkins:email_extension:2.72
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cpe:2.3:a:jenkins:email_extension:2.73
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cpe:2.3:a:jenkins:email_extension:2.74
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cpe:2.3:a:jenkins:email_extension:2.75
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cpe:2.3:a:jenkins:email_extension:2.76
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cpe:2.3:a:jenkins:email_extension:2.77
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cpe:2.3:a:jenkins:email_extension:2.78
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cpe:2.3:a:jenkins:email_extension:2.79
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cpe:2.3:a:jenkins:email_extension:2.8
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cpe:2.3:a:jenkins:email_extension:2.80
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cpe:2.3:a:jenkins:email_extension:2.81
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cpe:2.3:a:jenkins:email_extension:2.82
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cpe:2.3:a:jenkins:email_extension:2.83
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cpe:2.3:a:jenkins:email_extension:2.84
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cpe:2.3:a:jenkins:email_extension:2.85
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cpe:2.3:a:jenkins:email_extension:2.86
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cpe:2.3:a:jenkins:email_extension:2.87
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cpe:2.3:a:jenkins:email_extension:2.88
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cpe:2.3:a:jenkins:email_extension:2.89
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cpe:2.3:a:jenkins:email_extension:2.89.0.1
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cpe:2.3:a:jenkins:email_extension:2.89.0.2
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cpe:2.3:a:jenkins:email_extension:2.89.1
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cpe:2.3:a:jenkins:email_extension:2.9
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cpe:2.3:a:jenkins:email_extension:2.90
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cpe:2.3:a:jenkins:email_extension:2.91
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cpe:2.3:a:jenkins:email_extension:2.92
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cpe:2.3:a:jenkins:email_extension:2.93
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cpe:2.3:a:jenkins:email_extension:2.93.1
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cpe:2.3:a:jenkins:email_extension:2.94
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cpe:2.3:a:jenkins:email_extension:2.95
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cpe:2.3:a:jenkins:email_extension:2.96
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cpe:2.3:a:jenkins:email_extension:2.96.1
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cpe:2.3:a:jenkins:email_extension:2.97
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cpe:2.3:a:jenkins:email_extension:2.98
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cpe:2.3:a:jenkins:email_extension:2.99