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Vulnerability record · CVE-2026-39411 · published 8 April 2026

CVE-2026-39411: Lobehub improper authentication vulnerability

Lobehub · Lobehub

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.

7.1 CVSS 3.1 High EPSS 0.19% · top 92.4% CWE-287 · Improper authenticationCWE-290 · Authentication bypass by spoofing
7.1CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References
24 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/lobehub/lobehub/commit/3327b293d66c013f076cbc16cdbd05a61a3d0428 Patch
https://github.com/lobehub/lobehub/pull/13535 Issue Tracking
https://github.com/lobehub/lobehub/releases/tag/v2.1.48 Product
https://github.com/lobehub/lobehub/security/advisories/GHSA-5mwj-v5jw-5c97 Vendor Advisory
https://github.com/lobehub/lobehub/security/advisories/GHSA-5mwj-v5jw-5c97 Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-39411), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.