Jenkins · Vulnerability
cve-program · CVE-2026-84649
PublishedIn Stapler 1839.ved17667b_a_eb_5 through 2107.v8dfcb_e8ed317 (both inclusive), except 2088.2093.vd7c3e58008a_6, included in Jenkins 2.447 through 2.579 (both inclusive), LTS 2.452.1 through 2.568.2 (both inclusive), an HTTP endpoint serving dynamically generated JavaScript resources embeds the user's cross-site request forgery (CSRF) token (crumb) as a string literal, allowing attackers with control over a page hosted on the same site as Jenkins to obtain a valid crumb for the targeted user's session and perform actions on their behalf.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-84649 · CVE overview and exploitation status
cve-program · CVE-2026-84649
Related changes
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