CVE-2023-31486

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory published 2023-04-29. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 8.1Exploit: None knownExposed: 0

A fix is available — apply it.

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)
EG Risk
37(Track)
EG Risk 37/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation2% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
77%
KEV
Not listed

Published

April 29, 2023

Last Modified

January 30, 2025

Advisory Details (9)

Auto-updated Sep 9, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic

oss-security - Re: Perl's HTTP::Tiny has insecure TLS cert default, affecting CPAN.pm and other modules

https://www.openwall.com/lists/oss-security/2023/05/03/4
generic

oss-security - Perl's HTTP::Tiny has insecure TLS cert default, affecting CPAN.pm and other modules

https://www.openwall.com/lists/oss-security/2023/04/18/14
generic

HTTP::Tiny, verify_SSL=>0 default, and CPAN distributions

https://hackeriet.github.io/cpan-http-tiny-overview/
github_pr

Change verify_SSL default to 1, add ENV var to enable insecure default [CVE-2023-31486]

Fix merged in chansen/p5-http-tiny PR #153 on 2023-06-11 — awaiting tagged release

https://github.com/chansen/p5-http-tiny/pull/153
generic

Perl HTTP::Tiny has insecure TLS default, affecting CPAN.pm and other modules – Hackeriet Blog

https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
generic

oss-security - Re: Perl's HTTP::Tiny has insecure TLS cert default, affecting CPAN.pm and other modules

http://www.openwall.com/lists/oss-security/2023/05/07/2
generic

oss-security - Re: Perl's HTTP::Tiny has insecure TLS cert default, affecting CPAN.pm and other modules

http://www.openwall.com/lists/oss-security/2023/05/03/5
generic

oss-security - Re: Perl's HTTP::Tiny has insecure TLS cert default, affecting CPAN.pm and other modules

http://www.openwall.com/lists/oss-security/2023/05/03/3
generic

oss-security - Re: Perl's HTTP::Tiny has insecure TLS cert default, affecting CPAN.pm and other modules

http://www.openwall.com/lists/oss-security/2023/04/29/1

Vendor Advisories for CVE-2023-31486(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(6)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatperl-main-1.03-524.1.hum12026-04-10redhat
redhatperl-HTTP-Tiny-0:0.076-461.el9_22024-07-09redhat
redhatperl-HTTP-Tiny-0:0.074-1.el8_8.22024-01-30redhat
redhatperl-HTTP-Tiny-0:0.074-1.el8_6.12024-01-25redhat
redhatperl-HTTP-Tiny-0:0.074-2.el82023-11-14redhat
redhatperl-HTTP-Tiny-0:0.076-461.el92023-11-07redhat

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.

Affected Packages

(7 across 4 ecosystems)
Debian:12(2)
PackageVulnerable rangeFixed inDependents
libhttp-tiny-perl0.082-2 ... 0.096-1 (7 versions)——
perl5.36.0-10 ... 5.44.0-1 (43 versions)——
Debian:13(2)
PackageVulnerable rangeFixed inDependents
libhttp-tiny-perl—0.088-1—
perl—5.38.2-2—
Debian:14(2)
PackageVulnerable rangeFixed inDependents
libhttp-tiny-perl—0.088-1—
perl—5.38.2-2—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
perl5.32.1-4 ... 5.44.0-1 (59 versions)——

Weakness Classification(1)

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

Additional Vendor Advisories

(6)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 2× in last 7d / 23× 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.

Showing the most recent 100 of 168 total refreshes for this CVE.

  1. 2026-09-16 14:05 UTCEPSS rescore
  2. 2026-09-13 16:44 UTCEPSS rescore
  3. 2026-09-12 14:58 UTCEPSS rescore
  4. 2026-09-11 14:50 UTCEPSS rescore
  5. 2026-09-11 09:34 UTCEPSS rescore
  6. 2026-09-08 21:57 UTCEPSS rescore
  7. 2026-09-07 15:59 UTCEPSS rescore
  8. 2026-09-06 13:45 UTCEPSS rescore
  9. 2026-09-05 15:25 UTCEPSS rescore
  10. 2026-09-04 13:58 UTCEPSS rescore
  11. 2026-09-04 08:29 UTCOSV refresh
  12. 2026-09-04 05:04 UTCEPSS rescore
  13. 2026-09-02 14:09 UTCEPSS rescore
  14. 2026-09-01 13:51 UTCEPSS rescore
  15. 2026-08-30 19:15 UTCEPSS rescore
  16. 2026-08-30 01:19 UTCEPSS rescore
  17. 2026-08-28 21:38 UTCEPSS rescore
  18. 2026-08-27 14:23 UTCEPSS rescore
  19. 2026-08-26 14:43 UTCEPSS rescore
  20. 2026-08-25 13:46 UTCEPSS rescore
  21. 2026-08-24 14:14 UTCEPSS rescore
  22. 2026-08-23 00:17 UTCEPSS rescore
  23. 2026-08-21 23:46 UTCEPSS rescore
  24. 2026-08-20 22:53 UTCEPSS rescore
  25. 2026-08-19 17:02 UTCEPSS rescore
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  1. 2026-08-18 13:46 UTCEPSS rescore
  2. 2026-08-17 19:00 UTCOSV refresh
  3. 2026-08-17 13:44 UTCEPSS rescore
  4. 2026-08-16 14:53 UTCEPSS rescore
  5. 2026-08-16 02:12 UTCEPSS rescore
  6. 2026-08-15 01:28 UTCEPSS rescore
  7. 2026-08-13 21:58 UTCEPSS rescore
  8. 2026-08-12 13:48 UTCEPSS rescore
  9. 2026-08-11 13:39 UTCEPSS rescore
  10. 2026-08-09 13:44 UTCEPSS rescore
  11. 2026-08-08 16:34 UTCEPSS rescore
  12. 2026-08-07 16:24 UTCEPSS rescore
  13. 2026-08-06 13:44 UTCEPSS rescore
  14. 2026-08-05 19:15 UTCEPSS rescore
  15. 2026-08-05 19:15 UTCEPSS rescore
  16. 2026-08-04 15:07 UTCEPSS rescore
  17. 2026-08-04 10:35 UTCEPSS rescore
  18. 2026-08-03 10:34 UTCEPSS rescore
  19. 2026-08-02 14:57 UTCOSV refresh
  20. 2026-08-02 02:25 UTCEPSS rescore
  21. 2026-08-02 02:24 UTCEPSS rescore
  22. 2026-08-01 04:13 UTCEPSS rescore
  23. 2026-08-01 04:13 UTCEPSS rescore
  24. 2026-07-30 16:26 UTCEPSS rescore
  25. 2026-07-30 16:26 UTCEPSS rescore
  26. 2026-07-30 01:28 UTCEPSS rescore
  27. 2026-07-30 01:28 UTCEPSS rescore
  28. 2026-07-28 15:34 UTCEPSS rescore
  29. 2026-07-28 15:34 UTCEPSS rescore
  30. 2026-07-27 14:10 UTCEPSS rescore
  31. 2026-07-26 14:52 UTCEPSS rescore
  32. 2026-07-26 14:52 UTCEPSS rescore
  33. 2026-07-25 14:16 UTCEPSS rescore
  34. 2026-07-24 14:15 UTCEPSS rescore
  35. 2026-07-23 14:16 UTCEPSS rescore
  36. 2026-07-23 14:16 UTCEPSS rescore
  37. 2026-07-23 02:22 UTCEG score recompute
  38. 2026-07-22 23:09 UTCEG score recompute
  39. 2026-07-22 14:06 UTCEPSS rescore
  40. 2026-07-22 14:06 UTCEPSS rescore
  41. 2026-07-21 15:23 UTCEPSS rescore
  42. 2026-07-20 17:06 UTCEPSS rescore
  43. 2026-07-19 14:29 UTCEPSS rescore
  44. 2026-07-19 14:29 UTCEPSS rescore
  45. 2026-07-19 02:27 UTCEPSS rescore
  46. 2026-07-19 02:27 UTCEPSS rescore
  47. 2026-07-18 10:03 UTCEPSS rescore
  48. 2026-07-18 10:03 UTCEPSS rescore
  49. 2026-07-16 17:01 UTCEPSS rescore
  50. 2026-07-16 17:01 UTCEPSS rescore
  51. 2026-07-15 22:19 UTCOSV refresh
  52. 2026-07-15 16:56 UTCEPSS rescore
  53. 2026-07-15 16:56 UTCEPSS rescore
  54. 2026-07-15 01:58 UTCEPSS rescore
  55. 2026-07-15 01:58 UTCEPSS rescore
  56. 2026-07-13 22:28 UTCEPSS rescore
  57. 2026-07-13 22:28 UTCEPSS rescore
  58. 2026-07-13 06:11 UTCEPSS rescore
  59. 2026-07-13 06:11 UTCEPSS rescore
  60. 2026-07-12 05:45 UTCEPSS rescore
  61. 2026-07-11 08:25 UTCEPSS rescore
  62. 2026-07-11 08:25 UTCEPSS rescore
  63. 2026-07-09 19:08 UTCEPSS rescore
  64. 2026-07-09 19:08 UTCEPSS rescore
  65. 2026-07-08 15:13 UTCEPSS rescore
  66. 2026-07-07 13:44 UTCEPSS rescore
  67. 2026-07-06 16:26 UTCEPSS rescore
  68. 2026-07-06 16:26 UTCEPSS rescore
  69. 2026-07-05 02:28 UTCEPSS rescore
  70. 2026-07-04 06:29 UTCEPSS rescore
  71. 2026-07-02 16:59 UTCEPSS rescore
  72. 2026-07-01 15:04 UTCEPSS rescore
  73. 2026-06-30 23:21 UTCEPSS rescore
  74. 2026-06-30 23:21 UTCEPSS rescore
  75. 2026-06-28 14:06 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

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 2% probability of exploitation in the next 30 days, which ranks it in the top 23.3% of all scored CVEs.
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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