CVE-2026-103260
Last modified
CVE-2026-103260 is a medium-severity vulnerability rated 4/10 on the CVSS scale. n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain an approval bypass vulnerability in the Send and Wait node's Approve Within Chat mode. Attackers can submit resume requests without verification of the requester's identity or approval permissions, allowing unauthenticated users to advance waiting executions and trigger guarded actions..
Description
n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain an approval bypass vulnerability in the Send and Wait node's Approve Within Chat mode. Attackers can submit resume requests without verification of the requester's identity or approval permissions, allowing unauthenticated users to advance waiting executions and trigger guarded actions.
Metrics
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-103260?
How severe is CVE-2026-103260?
How do I fix CVE-2026-103260?
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-2026-103254n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and …6.3
- CVE-2026-103255n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and …9
- CVE-2026-103256n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain …7.1
- CVE-2026-103257n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and …7.7
- CVE-2026-103258n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain …6.8
- CVE-2026-103259n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain …7.6
- CVE-2026-103261Tornado before 6.5.9 fails to limit the number of query stri…5.3
- CVE-2026-103262Tornado versions before 6.5.9 contain an unbounded memory ac…7.5
- CVE-2026-103263Tornado before 6.5.9 contains a path traversal vulnerability…5.9
- CVE-2026-103264Fleet versions before 4.87.0 contain an authentication bypas…9.1
- CVE-2026-103265Fleet versions before 4.89.0 fail to properly filter MDM com…4.3
- CVE-2026-103266Ghost versions 5.2.0 through versions prior to 6.62.0 allow …7.1
Are you affected by CVE-2026-103260?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
