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CVE-2026-40162

HIGH CVSS 3.1: 7.1 EPSS 0.10%
Updated Apr 10, 2026
Bugsink
Parameter Value
CVSS 7.1 (HIGH)
Fixed In 2.1.1
Type CWE-20 (Improper Input Validation)
Vendor Bugsink
Public PoC No

Bugsink is a self-hosted error tracking tool. In 2.1.0, an authenticated file write vulnerability was identified in Bugsink 2.1.0 in the artifact bundle assembly flow. A user with a valid authentication token could cause the application to write attacker-controlled content to a filesystem location writable by the Bugsink process.

This vulnerability is fixed in 2.1.1.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
Low
Partial disruption

CVSS Vector v3.1