HIGHnpm →
9router: Unauthenticated `/v1` proxy access via `Host`-header spoofing → open AI relay + SSRF
9router: Unauthenticated `/v1` proxy access via `Host`-header spoofing → open AI relay + SSRF
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-86m2-fcxq-5q7c
- https://nvd.nist.gov/vuln/detail/CVE-2026-55641
- 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-86m2-fcxq-5q7c
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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