UNKNOWNhex →
Cookie Request Header Injection via Unvalidated Encoder in cow_cookie:cookie/1
Cookie Request Header Injection via Unvalidated Encoder in cow_cookie:cookie/1
Affected packages
- cowlib
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- 0.14%
- EPSS percentile
- 4.3%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 4%.
Sources
- https://cna.erlef.org/cves/CVE-2026-43969.html
- https://github.com/erlef/cowlib/commit/177953dd51540da11090666c1f007214127a1144
- https://hex.pm/packages/cowlib
Structured record: https://osv.dev/vulnerability/EEF-CVE-2026-43969
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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