HIGHnpm →
9router: Unauthenticated LLM proxy access via /codex rewrite authorization bypass
9router: Unauthenticated LLM proxy access via /codex rewrite authorization bypass
Affected packages
- 9router
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/decolua/9router/security/advisories/GHSA-8gmq-j984-vp4r
- https://nvd.nist.gov/vuln/detail/CVE-2026-55638
- https://github.com/decolua/9router/commit/b282f0554972ea35281520738759d76abcd0b0b3
- https://github.com/decolua/9router
- https://github.com/decolua/9router/releases/tag/v0.5.2
Structured record: https://osv.dev/vulnerability/GHSA-8gmq-j984-vp4r
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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