Medium severity · published Apr 29, 2026
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…
4.3
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JG
Jenkins GitHub Branch Source Plugin · Jenkins Project
through 1967.vdea_d580c1a_b_a_ · source: vendor
GB
Github Branch Source · Jenkins
through 1967.vdea_d580c1a_b_a · source: NVD
Affected product
JG
Jenkins GitHub Branch Source Plugin
Jenkins Project
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-42522
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-42522
Vendor Advisory
https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3702
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