HIGHCVSS 8.7

CVE-2026-15308

CVE-2026-15308 updated by NVD

Modified: 2026-08-22
Sources: nvd

Summary

The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-15308

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

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