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CVE

CVE-2026-42302

FastGPT: Unauthenticated Remote Code Execution (RCE) via code-server Misconfiguration in agent-sandbox
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CVE

CVE-2026-42302

FastGPT: Unauthenticated Remote Code Execution (RCE) via code-server Misconfiguration in agent-sandbox

FastGPT is an AI Agent building platform. From version 4.14.10 to before version 4.14.13, the agent-sandbox component of FastGPT is vulnerable to unauthenticated Remote Code Execution (RCE). The startup script entrypoint.sh initializes code-server with the --auth none flag and binds the service to all network interfaces (0.0.0.0:8080). This configuration allows any user with network access to the port to bypass authentication and gain full control over the sandbox environment. This issue has been patched in version 4.14.13.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://github.com/labring/FastGPT/releases/tag/v4.14.13, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42302.json, https://github.com/labring/FastGPT/security/advisories/GHSA-34rc-438g-7w78, https://nvd.nist.gov/vuln/detail/CVE-2026-42302, https://github.com/labring/FastGPT/commit/9d1cafce9241430fb5bcdd646455055c5f4ae0a4, https://github.com/labring/FastGPT/pull/6781

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00718%
EPSS Percentile
0.51124%
Introduced Version
0
Fix Available
2fe03ec0b9b62e8dc1532be240d9386b6f28754c

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