Vulnerability · Published Oct 11, 2026 · Assigned by VulnCheck
CVE-2026-108757Nexting pinclaw through 0.3.0 Missing Authentication via POST /pinclaw/send
Medium 6.5
In plain English
A medium-severity missing authentication in pinclaw from Nexting. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 86.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Nexting pinclaw OpenClaw channel plugin through 0.3.0 contains a missing authentication vulnerability in src/core/http-router.ts that skips the authToken check on POST /pinclaw/send. Unauthenticated attackers reaching port 18790, which binds all interfaces by default, can inject blind prompts into the user's main OpenClaw agent session as user instructions.
Affected products (as reported)
Weakness: CWE-306 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
References
- https://hackmd.io/@haind/nexting-pinclaw-send-unauth-agent-injection third-party-advisory
- https://github.com/Nexting-ai/nexting/blob/a4b75f0429d3b1bf35eef68a296b2e72aa9c7483/plugin/src/core/http-router.ts#L296-L330 technical-description
- https://github.com/Nexting-ai/nexting/blob/a4b75f0429d3b1bf35eef68a296b2e72aa9c7483/plugin/src/core/server.ts#L149 technical-description
- https://www.npmjs.com/package/pinclaw product
- VulnCheck Advisory: Nexting pinclaw through 0.3.0 Missing Authentication via POST /pinclaw/send third-party-advisory