Is pretalx affected by CVE-2026-41426?

PyPI pretalx is affected in <2026.1.0.

Is CVE-2026-41426 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

medium

CVE-2026-41426

Q: Is CVE-2026-41426 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

PyPI · pretalx

Summary

pretalx is a conference planning tool. Prior to 2026.1.0, an unauthenticated attacker can send arbitrary HTML-rendered emails from a pretalx instance's configured sender address by embedding malformed HTML or markdown link syntax in a user-controlled template placeholder such as the account display

Severity: medium
EPSS: 0.2% (p5)
Also known as: GHSA-jm8c-9f3j-4378, PYSEC-2026-109
Published: 2026-04-24

References

https://github.com/pretalx/pretalx/security/advisories/GHSA-jm8c-9f3j-4378

Related advisories

CVE-2026-41241 — medium · PyPI/pretalx

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.