CVE-2026-108757

high

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.

References

https://www.vulncheck.com/advisories/nexting-pinclaw-through-0.3.0-missing-authentication-via-post-pinclaw-send

https://www.npmjs.com/package/pinclaw

https://hackmd.io/@haind/nexting-pinclaw-send-unauth-agent-injection

https://github.com/Nexting-ai/nexting/blob/a4b75f0429d3b1bf35eef68a296b2e72aa9c7483/plugin/src/core/server.ts#L149

https://github.com/Nexting-ai/nexting/blob/a4b75f0429d3b1bf35eef68a296b2e72aa9c7483/plugin/src/core/http-router.ts#L296-L330

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-96922

Details

Source: Mitre, NVD

Published: 2026-10-11

Updated: 2026-10-11

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: Medium

CVSS v4

Base Score: 7.1

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

Severity: High