What’s Vulnerable › Vulnerabilities

CVE-2026-7010: HTTP::Tiny versions before 0.093 for Perl do not validate CRLF in HTTP request lines or control field header values

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-11 · updated 2026-10-26
• Weakness: CWE-113

Description

HTTP::Tiny versions before 0.093 for Perl do not validate CRLF in HTTP request lines or control field header values. The unvalidated inputs are the method and URI in the request line, the URL host that becomes the `Host:` header, and HTTP/1.1 control data field values. An attacker who controls one of these inputs, for example a user supplied URL passed to a webhook or URL fetch endpoint, can inject additional headers and smuggle requests to the upstream server.

Affected products

• HAARG HTTP::Tiny: before 0.093 — fixed in 0.093

How to fix

Upgrade to a fixed version: HAARG HTTP::Tiny 0.093. Check the vendor advisory for mitigations.

References

• https://github.com/Perl-Toolchain-Gang/HTTP-Tiny/commit/d73c7651e82ace02693842df55928b6c3ae7c38d.patch
• https://metacpan.org/release/HAARG/HTTP-Tiny-0.093-TRIAL/changes
• http://www.openwall.com/lists/oss-security/2026/05/11/17

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