CVE-2026-53851
Last modified
CVE-2026-53851 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. OpenClaw before 2026.5.12 contains a notification bypass vulnerability allowing Slack reaction events to enter the agent pipeline despite disabled reaction notifications. Attackers can trigger unintended agent processing by sending reaction events when the feature is enabled, potentially leading to unauthorized processing of lower-trust input.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
OpenClaw before 2026.5.12 contains a notification bypass vulnerability allowing Slack reaction events to enter the agent pipeline despite disabled reaction notifications. Attackers can trigger unintended agent processing by sending reaction events when the feature is enabled, potentially leading to unauthorized processing of lower-trust input.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Openclaw | Openclaw | < 2026.5.12 | — |
| Openclaw | Openclaw | 2026.5.12 | Beta1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-53851?
How severe is CVE-2026-53851?
How do I fix CVE-2026-53851?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-53846OpenClaw before 2026.4.29 contains a path traversal vulnerab…7.1
- CVE-2026-53847OpenClaw before 2026.5.6 contains a privilege escalation vul…5.4
- CVE-2026-53848OpenClaw before 2026.5.26 contains an exec allowlist bypass …4.3
- CVE-2026-53849OpenClaw before 2026.5.7 contains a privilege escalation vul…8.6
- CVE-2026-5385An unauthenticated user with write access to the knowledge b…8.4
- CVE-2026-53850OpenClaw before 2026.4.25 contains a control scope enforceme…6.8
- CVE-2026-53852OpenClaw before 2026.4.25 contains a scope containment bypas…5.4
- CVE-2026-53853OpenClaw before 2026.5.12 contains an argument pattern valid…8.3
- CVE-2026-53854OpenClaw before 2026.4.25 contains a privilege escalation vu…6.5
- CVE-2026-53855OpenClaw before 2026.4.2 contains an inline-eval bypass vuln…8.1
- CVE-2026-53856OpenClaw 2026.4.23 before 2026.4.24 contains an insecure fil…5.7
- CVE-2026-53857OpenClaw before 2026.5.3 contains a policy enforcement vulne…8.6
Are you affected by CVE-2026-53851?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST