{"id":"CVE-2026-32896","title":"The BlueBubbles webhook handler in OpenClaw versions prior to 2026.2.21 contains a passwordless fallback authentication path that allows unauthenticated webhook events in certain reverse-proxy or local routing configurations","summary":"The BlueBubbles webhook handler in OpenClaw versions prior to 2026.2.21 contains a passwordless fallback authentication path that allows unauthenticated webhook events in certain reverse-proxy or local routing configurations. Attackers c…","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-306"],"vendor":"openclaw","product":"openclaw","affected":["openclaw < 2026.2.21"],"patched":["openclaw 2026.2.21"],"published":"2026-03-21","updated":"2026-09-17","sourceUpdated":"2026-09-17T18:16:41.327","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-32896","references":[{"url":"https://github.com/openclaw/openclaw/commit/283029bdea23164ab7482b320cb420d1b90df806","label":"disclosure@vulncheck.com"},{"url":"https://github.com/openclaw/openclaw/commit/6b2f2811dc623e5faaf2f76afaa9279637174590","label":"disclosure@vulncheck.com"},{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-5mx2-2mgw-x8rm","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/openclaw-unauthenticated-webhook-access-via-passwordless-fallback-in-bluebubbles-plugin","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-03-23T16:46:19.363742Z"},"epss":0.00249,"epssPercentile":0.16589,"ingestedAt":"2026-09-17T18:25:15.968Z","slug":"CVE-2026-32896","body":"## Overview\n\nThe BlueBubbles webhook handler in OpenClaw versions prior to 2026.2.21 contains a passwordless fallback authentication path that allows unauthenticated webhook events in certain reverse-proxy or local routing configurations. Attackers can bypass webhook authentication by exploiting the loopback/proxy heuristics to send unauthenticated webhook events to the BlueBubbles plugin.\n\n## Affected\n\n- `openclaw < 2026.2.21`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `openclaw 2026.2.21`","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}