CVE-2026-40162CWE-20

Bugsink affected by authenticated arbitrary file write in artifactbundle/assemble

High · published April 10, 2026

CVSS v3.1
7.1
EPSS
1%
Percentile
42.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00508 · 42.5th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-04-10T17:02Z
EPSS history
Timeline
  • 10 APR 17:02Z
    Bugsink affected by authenticated arbitrary file write in artifactbundle/assemble
    cvelistv5