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CVE-2026-39411

MEDIUM

5.0

Description

LobeHub is a work-and-lifestyle space to find, build, and collaborate with agent teammates that grow with you. Prior to 2.1.48, the webapi authentication layer trusts a client-controlled X-lobe-chat-auth header that is only XOR-obfuscated, not signed or otherwise authenticated. Because the XOR key is hardcoded in the repository, an attacker can forge arbitrary auth payloads and bypass authentication on protected webapi routes. Affected routes include /webapi/chat/[provider], /webapi/models/[provider], /webapi/models/[provider]/pull, and /webapi/create-image/comfyui. This vulnerability is fixed in 2.1.48.

CVE Details

CVSS v3.1 Score5.0

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published4/8/2026

Last Modified4/8/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-287CWE-290CWE-345

References

https://github.com/lobehub/lobehub/commit/3327b293d66c013f076cbc16cdbd05a61a3d0428(security-advisories@github.com)

https://github.com/lobehub/lobehub/pull/13535(security-advisories@github.com)

https://github.com/lobehub/lobehub/releases/tag/v2.1.48(security-advisories@github.com)

https://github.com/lobehub/lobehub/security/advisories/GHSA-5mwj-v5jw-5c97(security-advisories@github.com)

https://github.com/lobehub/lobehub/security/advisories/GHSA-5mwj-v5jw-5c97(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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