OpenClaw before 2026.4.21 contains an authorization bypass vulnerability in command-auth.ts that allows non-owner senders to execute owner-enforced slash commands when wildcard inbound senders are configured without explicit owner allowFrom settings. Attackers can exploit this by sending commands like /send, /config, or /debug on affected channels to bypass owner-only command authorization checks.
CVE-2026-44991
This medium-severity CVE scores 4.2 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 85% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.2
- EG Score
- 4.2(medium)
- EG Risk
- 19(Track)EG Risk 19/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity42% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 15%
- KEV
- Not listed
Published
May 11, 2026
Last Modified
May 13, 2026
Advisory Details (4)
Auto-updated Jun 27, 2026OpenClaw < 2026.4.21 - Authorization Bypass in Owner-Enforced Commands via Wildcard Channel Senders | Advisories | VulnCheck
https://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-owner-enforced-commands-via-wildcard-channel-sendersOwner-enforced commands could accept wildcard channel senders as command owners · Advisory · openclaw/openclaw · GitHub
https://github.com/openclaw/openclaw/security/advisories/GHSA-c28g-vh7m-fm7vcommit 995febb7b1e8 (openclaw/openclaw)
Fix landed in openclaw/openclaw commit 995febb7b1e8 — awaiting tagged release
https://github.com/openclaw/openclaw/commit/995febb7b1e811ff6a1df5b18c22de94103f4c9fcommit 2aa93d44a1b2 (openclaw/openclaw)
Fix landed in openclaw/openclaw commit 2aa93d44a1b2 — awaiting tagged release
https://github.com/openclaw/openclaw/commit/2aa93d44a1b2c7058c371f261fda2b5d4de4a882Vendor Advisories for CVE-2026-44991(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| openclaw | — | 2026.4.21 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 27× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 137 total refreshes for this CVE.
- 2026-09-13 16:47 UTCEPSS rescore
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- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 12:23 UTCOSV refresh
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- 2026-08-17 11:09 UTCEG score recompute
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- 2026-07-23 03:15 UTCEG score recompute
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- 2026-07-15 09:19 UTCOSV refresh
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Frequently asked(5)
What is CVE-2026-44991?
When was CVE-2026-44991 disclosed?
Is CVE-2026-44991 actively exploited?
What is the CVSS score of CVE-2026-44991?
How do I remediate CVE-2026-44991?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-44991
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