Go/github.com/kumahq/kuma/v2 CVE-2026-18676, CVE-2026-45021: medium 5.1, EPSS 0.30%
Default kuma-cp leaks admin token cross-origin via CORS wildcard + LocalhostIsAdmin in github.com/kumahq/kuma
Action: Upgrade github.com/kumahq/kuma/v2 to 2.7.25 or later.
go get github.com/kumahq/kuma/v2@v2.7.25go get github.com/kumahq/kuma/v2@v2.11.13go get github.com/kumahq/kuma/v2@v2.12.10go get github.com/kumahq/kuma/v2@v2.13.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.7.25 | - |
| 2.9.13 | 2.11.13 | - |
| 2.12.4 | 2.12.10 | - |
| 2.13.0 | 2.13.5 | - |
Fixed versions
| 2.7.25 | 2.11.13 | 2.12.10 | 2.13.5 |
Sources
- osv: GO-2026-5102#Go/github.com/kumahq/kuma/v2
- nvd: CVE-2026-18676
- https://github.com/kumahq/kuma/security/advisories/GHSA-3vcp-chfh-f6r2
- https://nvd.nist.gov/vuln/detail/CVE-2026-45021
- https://github.com/kumahq/kuma/commit/8fefa8595d44eb68d922405702ed7a0826322907
- https://github.com/kumahq/kuma/pull/16416
- https://github.com/kumahq/kuma/pull/16423
- https://github.com/kumahq/kuma/pull/16424
- https://github.com/kumahq/kuma/pull/16425
- https://github.com/kumahq/kuma/pull/16426
- https://github.com/kumahq/kuma/pull/16427
CVE-2026-18676, CVE-2026-45021 · published · modified · JSON