PYSEC-2026-301 Bugsink is vulnerable to Stored XSS via Pygments fallback in stacktrace rendering

Summary An unauthenticated attacker who can submit events to a Bugsink project can store arbitrary JavaScript in an event. The payload executes only if a user explicitly views the affected Stacktrace in the web UI. Details When Pygments returns more lines than it was given a known upstream quirk...

CVE-2026-27614

Bugsink is a self-hosted error tracking tool. In versions prior to 2.0.13, an unauthenticated attacker who can submit events to a Bugsink project can store arbitrary JavaScript in an event. The payload executes only if a user explicitly views the affected Stacktrace in the web UI. When Pygments...

CVE-2026-27614

Bugsink is a self-hosted error tracking tool. In versions prior to 2.0.13, an unauthenticated attacker who can submit events to a Bugsink project can store arbitrary JavaScript in an event. The payload executes only if a user explicitly views the affected Stacktrace in the web UI. When Pygments...

PT-2026-21841

Name of the Vulnerable Software and Affected Versions Bugsink versions prior to 2.0.13 Description Bugsink is a self-hosted error tracking tool affected by a stored cross-site scripting XSS issue. An unauthenticated attacker who can submit events to a Bugsink project can store arbitrary JavaScrip...