1. Home
  2. CVE Database
  3. CVE-2026-42522
MEDIUM · 4.3

CVE-2026-42522

A missing permission check in Jenkins GitHub Branch Source Plugin 1967.vdea_d580c1a_b_a_ and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL with attacker...

Vulnerability Description

A missing permission check in Jenkins GitHub Branch Source Plugin 1967.vdea_d580c1a_b_a_ and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL with attacker-specified GitHub App credentials.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
JenkinsGithub Branch Source<= 1967.vdea_d580c1a_b_a

Related Weaknesses (CWE)

CWE-862

References

FAQ

What is CVE-2026-42522?

CVE-2026-42522 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A missing permission check in Jenkins GitHub Branch Source Plugin 1967.vdea_d580c1a_b_a_ and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL with attacker...

How severe is CVE-2026-42522?

CVE-2026-42522 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-42522?

Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Github Branch Source.