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CVE-2026-115355 - mistune: mistune: Arbitrary file read via path traversal in Include directive

mistune: mistune: Arbitrary file read via path traversal in Include directive
HIGH
Severity & confidence
Source severityhigh
Platform severityhigh
Confidenceconfirmed
Exploitationunknown
CVSS7.5
Affected
VendorsRed Hatmistune
Productsmistune
Reporting sources (3)
Red Hat - CVE Feed
Open source โ†—
GitHub Security Advisories
Open source โ†—
NIST NVD - National Vulnerability Database
Open source โ†—
Timeline & provenance
Published2026-10-22T19:13:31
Last updated2026-10-25T03:26:19
Ingested2026-10-23T12:08:06
FreshnessNEAR-REAL-TIME
Threat typevulnerability
Recommended action
Apply the Red Hat errata / RHSA referenced in the advisory.
Next steps
  1. Identify affected systems in your environment.
  2. Apply the vendor patch or mitigation guidance.
  3. Review logs for indicators described in the advisory.
  4. Follow the affected vendor/product to track updates.
Confidence explanation
This object is reported by 3 independent sources.
Source type: vendor ยท Original: Red Hat - CVE Feed