CVE-2026-40162

HIGH

Bugsink affected by authenticated arbitrary file write in artifactbundle/assemble

Title source: cna
STIX 2.1

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.

References (2)

Core 2
Core References
X_Refsource_Misc x_refsource_misc
https://github.com/bugsink/bugsink/releases/tag/2.1.1

Scores

CVSS v3 7.1
EPSS 0.0030
EPSS Percentile 21.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (3)
bugsink/bugsink 2.1.0
bugsink/bugsink >= 2.1.0, < 2.1.1
pypi/bugsink 2.1.0 - 2.1.1PyPI
Published Apr 10, 2026
Tracked Since Apr 10, 2026