Is mako affected by CVE-2026-41205?

PyPI mako is affected in <1.3.11.

Is CVE-2026-41205 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

high

CVE-2026-41205

Q: Is CVE-2026-41205 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

PyPI · mako

Summary

Mako is a template library written in Python. Prior to 1.3.11, TemplateLookup.get_template() is vulnerable to path traversal when a URI starts with // (e.g., //../../../secret.txt). The root cause is an inconsistency between two slash-stripping implementations. Any file readable by the process can b

Severity: high
EPSS: 0.4% (p28)
Also known as: GHSA-v92g-xgxw-vvmm, PYSEC-2026-88
Published: 2026-04-23

References

https://github.com/sqlalchemy/mako/security/advisories/GHSA-v92g-xgxw-vvmm

Related advisories

CVE-2026-44307 — high · PyPI/mako

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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.