CVE-2025-11374Medium· 6.5▾ SunlitConsul key/value endpoint is vulnerable to denial of service
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.4%
Consul and Consul Enterprise’s (“Consul”) key/value endpoint is vulnerable to denial of service (DoS) due to incorrect Content Length header validation. This vulnerability, CVE-2025-11374, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12.
github.com/hashicorp/consul < 1.22.0Upgrade to a patched release:
github.com/hashicorp/consul 1.22.0Connected by shared product, vendor, weakness, or advisory.
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