CVE-2026-48920

Name
CVE-2026-48920
Description
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.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
jenkinsci-cert@googlegroups.com https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3705

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:* jenkins >= None <= 1925.v1598902b_58dd
cpe:2.3:a:jenkins:email_extension:1933.v45cec755423f:*:*:*:*:jenkins:*:* jenkins == None == 1933.v45cec755423f

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
jenkins edge-community 2.555.1-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.541.3-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.541.2-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.541.1-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.528.3-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.516.1-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.479.1-r1 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.479.1-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.361.2-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.346.2-r1 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.346.2-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.332.4-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.332.3-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.332.2-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.332.1-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.319.3-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.319.2-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins edge-community 2.287-r0 None possibly vulnerable
jenkins edge-community 2.275-r0 None possibly vulnerable
jenkins edge-community 2.245-r0 None possibly vulnerable
jenkins edge-community 2.228-r0 None possibly vulnerable
jenkins 3.23-community 2.541.2-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable
jenkins 3.23-community 2.516.1-r0 Francesco Colista <fcolista@alpinelinux.org> possibly vulnerable