CVE-2026-88880 PUBLISHED

Renovate before 44.11.3 Credential Exfiltration via Link Header

Assigner: VulnCheck
Reserved: 10.09.2026 Published: 10.09.2026 Updated: 10.09.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 9.2

Product Status

Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 44.11.3 (excl.)
  • Version 44.11.3 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 44.11.3 (excl.)
  • Version 44.11.3 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 44.11.3 (excl.)
  • Version 44.11.3 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 44.11.3 (excl.)
  • Version 44.11.3 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 15.4.0 (excl.)
  • Version 15.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 10.4.0 (excl.)
  • Version 10.4.0 is unaffected
Vendor renovatebot
Product renovate
Versions Default: unaffected
  • affected from 0 to 10.4.0 (excl.)
  • Version 10.4.0 is unaffected

Credits

  • jamietanna reporter

References

Problem Types

  • URL Redirection to Untrusted Site ('Open Redirect') CWE