PT-2026-35916 · Jenkins · Github Branch Source Plugin+1

Ap4Sh + 1 · CVE-2026-42522 · Published 2026-04-29 · Updated 2026-04-29

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Jenkins GitHub Branch Source Plugin versions prior to 1967.vdea d580c1a b a

Description A missing permission check allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified GitHub App credentials.

Recommendations Update the plugin to a version later than 1967.vdea d580c1a b a .

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-42522

GHSA-WG26-8WMJ-CF9P

Affected Products

Github Branch Source Plugin

Jenkins

References · 5

• https://osv.dev/vulnerability/CVE-2026-42522 · Vendor Advisory
• https://jenkins.io/security/advisory/2026-04-29/#SECURITY-3702 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-wg26-8wmj-cf9p · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42522 · Security Note
• https://twitter.com/CVEnew/status/2049594353945833539 · Twitter Post