CVE-2026-84649 | BDVDB-2026-367459 Detail

Description#

In 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.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-09-02Record published in the CVE List.
2. Version 22026-09-17Most recent update recorded in the CVE List.