CVE
CVE-2026-88880
Renovate before 44.11.3 Credential Exfiltration via Link Header
Renovate before 44.11.3 fails to validate Link header destinations when following GitLab server pagination, allowing malicious servers to redirect credential-bearing requests. Attackers controlling a compromised GitLab server can specify a Link header pointing to attacker-controlled infrastructure to exfiltrate authentication credentials.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.2
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
8.6
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Related Resources
No items found.
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/88xxx/CVE-2026-88880.json, https://github.com/renovatebot/renovate/security/advisories/GHSA-9hmg-9h89-jhmx, https://nvd.nist.gov/vuln/detail/CVE-2026-88880, https://www.vulncheck.com/advisories/renovate-before-44.11.3-credential-exfiltration-via-link-header