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ExploitedPHP2Shell is now on CISA KEV

critical vulnerability

Bugsink is vulnerable to Stored XSS via Pygments fallback in stacktrace rendering

Fix availableCritical · CVSS 9.3EPSS 0.34%

Published Feb 25, 2026 · updated Oct 27, 2026

What to do

  1. Upgrade to a fixed version: bugsink 2.0.13.
  2. Redeploy and restart long-running processes so they load the fixed code.

Affected packages

PyPIbugsink1,172 downloads/week

Vulnerable versions
<= 2.0.12
Fixed in
2.0.13

Check your project: pip show bugsink

Sources

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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