data/reports/GO-2026-5102.yaml

id: GO-2026-5102
modules:
    - module: github.com/kumahq/kuma
      vulnerable_at: 0.0.0-20251106095714-766e8686c35a
    - module: github.com/kumahq/kuma/v2
      versions:
        - fixed: 2.7.25
        - introduced: 2.9.13
        - fixed: 2.11.13
        - introduced: 2.12.4
        - fixed: 2.12.10
        - introduced: 2.13.0
        - fixed: 2.13.5
      non_go_versions:
        - introduced: 2.9.0
        - fixed: 2.9.15
        - introduced: 2.11.0
        - introduced: 2.12.0
      vulnerable_at: 2.13.4
summary: |-
    Default kuma-cp leaks admin token cross-origin via CORS wildcard +
    LocalhostIsAdmin in github.com/kumahq/kuma
cves:
    - CVE-2026-45021
ghsas:
    - GHSA-3vcp-chfh-f6r2
references:
    - advisory: https://github.com/kumahq/kuma/security/advisories/GHSA-3vcp-chfh-f6r2
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-45021
    - fix: https://github.com/kumahq/kuma/commit/8fefa8595d44eb68d922405702ed7a0826322907
    - fix: https://github.com/kumahq/kuma/pull/16416
    - fix: https://github.com/kumahq/kuma/pull/16423
    - fix: https://github.com/kumahq/kuma/pull/16424
    - fix: https://github.com/kumahq/kuma/pull/16425
    - fix: https://github.com/kumahq/kuma/pull/16426
    - fix: https://github.com/kumahq/kuma/pull/16427
source:
    id: GHSA-3vcp-chfh-f6r2
    created: 2026-07-21T19:46:27.265744-04:00
review_status: UNREVIEWED