Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4Blast Radius
ecosystem impact- 1 npm packages depend on openclaw (1 direct, 0 indirect)
Ecosystem-wide dependent count for version 2026.4.23.
DescriptionCVE.org
OpenClaw before 2026.4.23 caches resolved webhook route secrets backed by SecretRef values, allowing stale secrets to remain valid after rotation and reload. Attackers with previously valid webhook route secrets can continue authenticating requests and invoking configured webhook task flows until gateway or plugin restart.
AnalysisAI
OpenClaw before 2026.4.23 fails to invalidate cached webhook route secrets after rotation, allowing attackers with previously valid secrets to continue authenticating webhook requests and invoking task flows until gateway restart. The vulnerability affects SecretRef-backed webhook authentication where the resolved secret is cached at startup rather than re-resolved per request, weakening credential rotation effectiveness. Vendor-released patch available in version 2026.4.23.
Technical ContextAI
OpenClaw's webhooks extension implements SecretRef-based authentication for webhook routes, allowing operators to reference secrets stored in a configuration backend. The vulnerable code maintained a WeakMap cache (secretByTarget) that stored resolved secret promises at handler initialization time. When an operator rotated the underlying secret via openclaw secrets reload, the cached resolved value remained valid in memory until the gateway process restarted. The fix refactors resolveTargetSecret() to resolve SecretRef values on each request rather than caching them, ensuring that openclaw secrets reload immediately invalidates stale secrets. This addresses CWE-672 (Weakened Cryptography) by ensuring credential rotation is effective without requiring process restart.
RemediationAI
Vendor-released patch: upgrade OpenClaw to version 2026.4.23 or later. Apply commit 36c4a372a0ad5dca8bfc0d93f7aab9c2f2de66fa or pull the tagged release. After patching, webhook route secrets backed by SecretRef will be re-resolved on each request, eliminating the caching window. Operators who have rotated secrets in vulnerable versions should assume previously valid secrets remain active until gateway/plugin process restart - consider rotating webhook secrets again after upgrading to 2026.4.23 and restarting the gateway to ensure no stale credentials remain. No workarounds are available for pre-2026.4.23 versions; immediate upgrade is required to restore credential rotation security. See https://github.com/openclaw/openclaw/security/advisories/GHSA-q8ff-7ffm-m3r9 for advisory details.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-29150
GHSA-v8j2-5f9p-fmh4