RCE in Arc53 Docsgpt
CVE-2026-26015
DocsGPT is a GPT-powered chat for documentation. From version 0.15.0 to before version 0.16.0, an attacker accessing both the official DocsGPT website or any local and public deployment, can craft a malicious payload bypassing the "MCP tes…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.003 (52.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Arc53 Docsgpt — versions >= 0.15.0, < 0.16.0, 0.15.0
Weakness classification (CWE)
References
- https://github.com/arc53/DocsGPT/security/advisories/GHSA-gcrq-f296-2j74 (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- https://github.com/arc53/DocsGPT/releases/tag/0.16.0 (x_refsource_MISC, Release Notes)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2026-26015?
- CVE-2026-26015 is a critical-severity vulnerability in Arc53 Docsgpt, classified under Command Injection. CVSS score: 9.8/10. Published 2026-04-29.
- How severe is CVE-2026-26015?
- Critical severity. CVSS v3 base score is 9.8 out of 10.