CVE-2026-88880

CVSS 9.2 (critical) · published 2026-09-10

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.

Weakness: CWE-601

Source: NVD CVE-2026-88880

References

• https://github.com/renovatebot/renovate/security/advisories/GHSA-9hmg-9h89-jhmx
• https://www.vulncheck.com/advisories/renovate-before-44.11.3-credential-exfiltration-via-link-header

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