Riskcovery

CVE-2026-116130

HTTP::Parser::XS versions before 0.18 for Perl truncate PATH_INFO at an encoded NUL byte in parse_http_request

State
Published
Severity
Not scored
Published
Oct 30, 2026
Updated
Oct 30, 2026
Reserved
Oct 25, 2026

Read the record on cve.org

Description

HTTP::Parser::XS versions before 0.18 for Perl truncate PATH_INFO at an encoded NUL byte in parse_http_request.

The XS parser URL-decodes the request path and measures the result with strlen(), so PATH_INFO ends at the first byte decoded from %00. The pure-Perl backend is not affected.

A remote attacker can send a path that a proxy or filter checks in full while the application routes on a shorter one.

Scores

The record has no CVSS score.

Weaknesses

  • CWE-626 Null Byte Interaction Error (Poison Null Byte)

Affected Products

ProductVersions
HTTP-Parser-XS
  • before 0.18Affected

References

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