CVE-2026-108757
What it is
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.
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in. High risk of data tampering.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 7.1 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-306 · Missing authentication
- Record status
- Deferred
Attack profile CVSS 4.0 · 7.1
- Attack vector
- Adjacent network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Raw vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/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
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-108757.md and follow it. Check whether this project is affected by CVE-2026-108757. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- https://github.com/Nexting-ai/nexting/blob/a4b75f0429d3b1bf35eef68a296b2e72aa9c7483/plugin/src/core/http-router.ts#L296-L330
- https://github.com/Nexting-ai/nexting/blob/a4b75f0429d3b1bf35eef68a296b2e72aa9c7483/plugin/src/core/server.ts#L149
- https://hackmd.io/@haind/nexting-pinclaw-send-unauth-agent-injection
- https://www.npmjs.com/package/pinclaw
- https://www.vulncheck.com/advisories/nexting-pinclaw-through-0.3.0-missing-authentication-via-post-pinclaw-send