CVE-2026-115349 - mistune: mistune: Denial of Service via deeply nested square brackets
mistune: mistune: Denial of Service via deeply nested square brackets
HIGH
Severity & confidence
Source severityhigh
Platform severityhigh
Confidencehigh
Exploitationunknown
CVSS7.5
Affected
VendorsRed Hat
Reporting sources (2)
Red Hat - CVE Feed
NIST NVD - National Vulnerability Database
Timeline & provenance
Published2026-10-22T19:13:26
Last updated2026-10-25T03:26:19
Ingested2026-10-23T00:11:05
FreshnessNEAR-REAL-TIME
Threat typevulnerability
Recommended action
Apply the Red Hat errata / RHSA referenced in the advisory.
Next steps
- Identify affected systems in your environment.
- Apply the vendor patch or mitigation guidance.
- Review logs for indicators described in the advisory.
- Follow the affected vendor/product to track updates.
Confidence explanation
Reported by a government or cert-grade source (CISA, NCSC, NVD, ENISA, MSRC).
Source type: vendor ยท Original: Red Hat - CVE Feed
