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

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Summary

CVECVE-2026-7010
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-11 22:22:14 UTC
Updated2026-05-12 00:17:03 UTC
DescriptionHTTP::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.

Risk And Classification

Problem Types: CWE-113 | CWE-113 CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA HAARG HTTPTiny affected 0.093 custom Not specified

References

ReferenceSourceLinkTags
github.com/Perl-Toolchain-Gang/HTTP-Tiny/commit/d73c7651e82ace02693842df... 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com
metacpan.org/release/HAARG/HTTP-Tiny-0.093-TRIAL/changes 9b29abf9-4ab0-4765-b253-1875cd9b441e metacpan.org
www.openwall.com/lists/oss-security/2026/05/11/17 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2026-04-25T00:00:00.000ZIssue discovered.
CNA2026-05-11T00:00:00.000ZHTTP-Tiny 0.093-TRIAL published with fix.

Solutions

CNA: Upgrade to HTTP-Tiny 0.093-TRIAL or later.

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