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Vulnerability record · CVE-2023-31486 · published 29 April 2023

CVE-2023-31486: Http\ \ improper certificate validation vulnerability

HHttp\ · \

HTTP::Tiny before 0.083, a Perl core module since 5.13.9 and available standalone on CPAN, has an insecure default TLS configuration where users must opt in to verify certificates.

8.1 CVSS 3.1 High EPSS 1.7% · top 22.9% CWE-295 · Improper certificate validation
8.1CVSS 3.1 base score
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
21References
17 Jun 2026Last modified by NVD

Description

HTTP::Tiny before 0.083, a Perl core module since 5.13.9 and available standalone on CPAN, has an insecure default TLS configuration where users must opt in to verify certificates.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2023/04/29/1 Mailing ListPatch
http://www.openwall.com/lists/oss-security/2023/05/03/3 Mailing ListPatch
http://www.openwall.com/lists/oss-security/2023/05/03/5 Mailing List
http://www.openwall.com/lists/oss-security/2023/05/07/2 Mailing ListThird Party Advisory
https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/ MitigationPatchThird Party Advisory
https://github.com/chansen/p5-http-tiny/pull/153 Patch
https://hackeriet.github.io/cpan-http-tiny-overview/ Product
https://www.openwall.com/lists/oss-security/2023/04/18/14 Mailing ListPatch
https://www.openwall.com/lists/oss-security/2023/05/03/4 Mailing ListThird Party Advisory
https://www.reddit.com/r/perl/comments/111tadi/psa_httptiny_disabled_ssl_verification_by_default/ Issue Tracking
http://www.openwall.com/lists/oss-security/2023/04/29/1 Mailing ListPatch
http://www.openwall.com/lists/oss-security/2023/05/03/3 Mailing ListPatch
http://www.openwall.com/lists/oss-security/2023/05/03/5 Mailing List
http://www.openwall.com/lists/oss-security/2023/05/07/2 Mailing ListThird Party Advisory
https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/ MitigationPatchThird Party Advisory
https://github.com/chansen/p5-http-tiny/pull/153 Patch
https://hackeriet.github.io/cpan-http-tiny-overview/ Product
https://security.netapp.com/advisory/ntap-20241129-0011/
https://www.openwall.com/lists/oss-security/2023/04/18/14 Mailing ListPatch
https://www.openwall.com/lists/oss-security/2023/05/03/4 Mailing ListThird Party Advisory
https://www.reddit.com/r/perl/comments/111tadi/psa_httptiny_disabled_ssl_verification_by_default/ Issue Tracking

Track CVE-2023-31486 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-31486), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.