CVE-2023-31486

HIGHNVD 8.18.1—

8.1

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 v3: 8.1
EG Score: 8.1(medium)
EPSS: 74.8%
KEV: Not listed

Published

April 29, 2023

Last Modified

January 30, 2025

References (21)

cve@mitrehttp://www.openwall.com/lists/oss-security/2023/04/29/1
cve@mitrehttp://www.openwall.com/lists/oss-security/2023/05/03/3
cve@mitrehttp://www.openwall.com/lists/oss-security/2023/05/03/5
cve@mitrehttp://www.openwall.com/lists/oss-security/2023/05/07/2
cve@mitrehttps://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
cve@mitrehttps://github.com/chansen/p5-http-tiny/pull/153
cve@mitrehttps://hackeriet.github.io/cpan-http-tiny-overview/
cve@mitrehttps://www.openwall.com/lists/oss-security/2023/04/18/14
cve@mitrehttps://www.openwall.com/lists/oss-security/2023/05/03/4
cve@mitrehttps://www.reddit.com/r/perl/comments/111tadi/psa_httptiny_disabled_ssl_verification_by_default/
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/04/29/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/05/03/3
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/05/03/5
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/05/07/2
af854a3a-2127-422b-91ae-364da2661108https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/

Patch Availability(6)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	perl-main-1.03-524.1.hum1	2026-04-10	redhat
redhat	perl-HTTP-Tiny-0:0.076-461.el9_2	2024-07-09	redhat
redhat	perl-HTTP-Tiny-0:0.074-1.el8_8.2	2024-01-30	redhat
redhat	perl-HTTP-Tiny-0:0.074-1.el8_6.1	2024-01-25	redhat
redhat	perl-HTTP-Tiny-0:0.074-2.el8	2023-11-14	redhat
redhat	perl-HTTP-Tiny-0:0.076-461.el9	2023-11-07	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-295Improper Certificate Validation

All Vendor Advisories

(7)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 14× in last 7d / 57× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
2026-06-23 21:31 UTCEPSS rescore
2026-06-22 14:24 UTCEPSS rescore
2026-06-22 14:24 UTCEPSS rescore
2026-06-21 14:55 UTCEPSS rescore
2026-06-21 14:55 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
2026-06-19 19:24 UTCEPSS rescore
2026-06-19 19:24 UTCEPSS rescore
2026-06-18 17:51 UTCEPSS rescore
2026-06-18 17:51 UTCEPSS rescore
2026-06-17 17:51 UTCEPSS rescore
2026-06-17 17:51 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-15 17:47 UTCEPSS rescore
2026-06-14 23:16 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-12 23:10 UTCEPSS rescore
2026-06-11 13:59 UTCEPSS rescore
2026-06-10 22:17 UTCEPSS rescore
2026-06-10 13:21 UTCEPSS rescore
2026-06-10 13:21 UTCEPSS rescore

Show 35 more

2026-06-10 09:17 UTCOSV refresh
2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-25 02:09 UTCEG score recompute
2026-05-25 02:09 UTCVendor advisory
2026-05-25 02:09 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-31486?

CVE-2023-31486 is a high vulnerability published on April 29, 2023. 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.

When was CVE-2023-31486 disclosed?

CVE-2023-31486 was first published in the National Vulnerability Database on April 29, 2023, with the most recent update on January 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-31486 actively exploited?

CVE-2023-31486 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-31486?

CVE-2023-31486 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2023-31486?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31486, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2023-31486

Published

Last Modified

References (21)

Patch Availability(6)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-31486?

Same vendor

Same CWE

CVE-2023-31486

📅 Published

🔄 Last Modified

🔗 References (21)

Patch Availability(6)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-31486?

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References (21)

Frequently asked(5)

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