What is CVE-2026-59100?

CVE-2026-59100 is a medium-severity vulnerability in Lobehub, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.0/10. Published 2026-07-02.

How severe is CVE-2026-59100?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Auth bypass in Lobehub

CVE-2026-59100

LobeChat through 2.2.9 contains a broken object level authorization vulnerability that allows authenticated attackers to access and modify other users' chat-group agent data by supplying arbitrary group identifiers. Attackers can invoke th…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Lobehub — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-59100?: CVE-2026-59100 is a medium-severity vulnerability in Lobehub, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.0/10. Published 2026-07-02.
How severe is CVE-2026-59100?: Medium severity. CVSS v3 base score is 5.0 out of 10.