A AegiFlow
HIGHCVSS 8.7EPSS 0.4%

CVE-2026-115355

CVE-2026-115355 updated by NVD

Published
2026-10-23
Modified
2026-10-31
EPSS percentile
32%
Sources
github-advisory, nvd

Summary

Mistune before 3.3.0 contains a path traversal vulnerability in the Include directive that allows attackers to read arbitrary files by supplying ../ sequences in include paths. Attackers can also inject HTML through unescaped error messages and included file contents to perform cross-site scripting even when escape=True is set.

Affected packages

EcosystemPackageAffected versionsFixed versions
PyPImistune—3.3.0

Remediation: Upgrade to 3.3.0 or later.

References

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.

EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.