CVE-2026-61826 Bazarr - Broken Access Control

Bazarr prior to 1.5.7-beta.14 contains a broken access control vulnerability caused by missing authentication on api_ns_plex namespace handlers, letting anonymous attackers modify Plex integration settings, persist API keys, and cause denial of service, exploit requires no authentication or preconditions.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.26% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control, Denial Of Service, Server Side Request Forgery, Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
30 October 2026
Updated
1 November 2026
Weakness
CWE-352

Vendor fix

Update to version 1.5.7-beta.14 or later to add authentication and fix anonymous API mutation paths.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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