CVE-2026-40162 — HIGH (7.1)

Vulnerability Description

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.

CVSS Score

7.1

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

LOW

Affected Products

Vendor	Product	Versions
Bugsink	Bugsink	2.1.0

Related Weaknesses (CWE)

CWE-20

References

https://github.com/bugsink/bugsink/releases/tag/2.1.1ProductRelease Notes
https://github.com/bugsink/bugsink/security/advisories/GHSA-8hw4-fhww-273gMitigationVendor Advisory

FAQ

What is CVE-2026-40162?

CVE-2026-40162 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 authenticati...

How severe is CVE-2026-40162?

CVE-2026-40162 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-40162?

Check the references section above for vendor advisories and patch information. Affected products include: Bugsink Bugsink.