CVE-2026-48920

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Source
https://cve.org/CVERecord?id=CVE-2026-48920
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48920.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-48920
Aliases
Published
2026-05-27T15:16:31Z
Modified
2026-10-24T10:30:53Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/jenkinsci/email-ext-plugin

Affected ranges

Type
GIT
Repo
https://github.com/jenkinsci/email-ext-plugin
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
1598902b58ddfa69d5763b62db609f864f57e2d8
Introduced
45cec755423fcd203c6dc643794e6da6b6d66fb9
Last Affected
45cec755423fcd203c6dc643794e6da6b6d66fb9
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "last_affected":  "1925.v1598902b_58dd"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "cpe":  "cpe:2.3:a:jenkins:email_extension:1933.v45cec755423f:*:*:*:*:jenkins:*:*",
            "range":  [
                {
                    "introduced":  "1933.v45cec755423f"
                },
                {
                    "last_affected":  "1933.v45cec755423f"
                }
            ],
            "source":  "CPE_STRING"
        }
    ]
}

Affected versions

1806.*
1806.v856a_01a_fa_39a_
1814.*
1814.v404722f34263
1844.*
1844.v3ea_a_b_842374a_
1849.*
1849.v6dd03b_f6e423
1851.*
1851.v2b_5345e6272d
1855.*
1855.vd9e491cb_de1e
1861.*
1861.vdb_d991590994
1866.*
1866.v14fa_6d201654
1876.*
1876.v28d8d38315b_d
1911.*
1911.v19b_8e86f9815
1916.*
1916.vc954a_f86ff21
1922.*
1922.v5c93c9e80a_f9
1925.*
1925.v1598902b_58dd
1933.*
1933.v45cec755423f
email-ext-2.*
email-ext-2.100
email-ext-2.101
email-ext-2.102
email-ext-2.103
email-ext-2.104
email-ext-2.105
email-ext-2.11
email-ext-2.12
email-ext-2.13
email-ext-2.14
email-ext-2.15
email-ext-2.16
email-ext-2.17
email-ext-2.18
email-ext-2.19
email-ext-2.20
email-ext-2.21
email-ext-2.22
email-ext-2.24
email-ext-2.24.1
email-ext-2.25
email-ext-2.27
email-ext-2.27.1
email-ext-2.29
email-ext-2.30
email-ext-2.30.1
email-ext-2.30.2
email-ext-2.31
email-ext-2.32
email-ext-2.33
email-ext-2.34
email-ext-2.35
email-ext-2.35.1
email-ext-2.37
email-ext-2.37.1
email-ext-2.37.2
email-ext-2.39
email-ext-2.40
email-ext-2.40.2
email-ext-2.41
email-ext-2.41.2
email-ext-2.42
email-ext-2.43
email-ext-2.44
email-ext-2.45
email-ext-2.46
email-ext-2.47
email-ext-2.48
email-ext-2.49
email-ext-2.50
email-ext-2.51
email-ext-2.52
email-ext-2.55
email-ext-2.56
email-ext-2.57
email-ext-2.58
email-ext-2.59
email-ext-2.60
email-ext-2.61
email-ext-2.62
email-ext-2.63
email-ext-2.64
email-ext-2.65
email-ext-2.66
email-ext-2.67
email-ext-2.68
email-ext-2.69
email-ext-2.71
email-ext-2.72
email-ext-2.73
email-ext-2.74
email-ext-2.75
email-ext-2.76
email-ext-2.77
email-ext-2.78
email-ext-2.79
email-ext-2.80
email-ext-2.81
email-ext-2.82
email-ext-2.83
email-ext-2.84
email-ext-2.85
email-ext-2.86
email-ext-2.87
email-ext-2.88
email-ext-2.89
email-ext-2.90
email-ext-2.91
email-ext-2.92
email-ext-2.93
email-ext-2.95
email-ext-2.96
email-ext-2.97
email-ext-2.98
email-ext-2.99

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48920.json"