# Libwww-Perl vulnerabilities

Source: https://junglewise.ai/threats/vendors/libwww-perl  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/libwww-perl.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in Libwww-Perl: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-116531, was published on 28 October 2026. 5 vulnerabilities in the last four weeks, up from none in the four before. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 5
- Last 90 days: 5
- All time: 8 (0 critical, 0 exploited in the wild)

## About Libwww-Perl

A collection of Perl modules which provide a simple and consistent programming interface to the World-Wide Web.

## Latest Libwww-Perl vulnerabilities

- [CVE-2026-116531: HTTP::Body chunked request body parsing hang](https://junglewise.ai/threats/cve-2026-116531-http-body-versions-before-1-23-01-for-perl-lose-track-of-chunk) (info, published 28 Oct 2026)
- [CVE-2026-116135: HTTP::Body percent-escape decoding bypass in urlencoded forms](https://junglewise.ai/threats/cve-2026-116135-http-body-versions-before-1-23-01-for-perl-drop-mixed-case) (info, published 28 Oct 2026)
- [CVE-2026-116133: HTTP::Body Perl multipart parser CPU exhaustion via quadratic rescanning](https://junglewise.ai/threats/cve-2026-116133-http-body-versions-before-1-23-01-for-perl-allow-cpu-exhaustion) (info, published 28 Oct 2026)
- [CVE-2026-116132: HTTP::Body temporary file disclosure in incomplete multipart uploads](https://junglewise.ai/threats/cve-2026-116132-http-body-versions-before-1-23-01-for-perl-leave-the-temporary) (info, published 28 Oct 2026)
- [CVE-2026-116131: HTTP::Body request body denial of service via field count exhaustion](https://junglewise.ai/threats/cve-2026-116131-http-body-versions-before-1-23-01-for-perl-allow-memory-and) (info, published 28 Oct 2026)
- [CVE-2026-8829: libwww-perl HTML::Entities use-after-free in _decode_entities](https://junglewise.ai/threats/cve-2026-8829-libwww-perl-html-entities-use-after-free-in-decode-entities) (info, CVSS 0, published 4 Jun 2026)
- [CVE-2026-8612: libwww-perl WWW::Mechanize::Cached insecure permissions and deserialization](https://junglewise.ai/threats/cve-2026-8612-libwww-perl-www-mechanize-cached-insecure-permissions-and) (medium, CVSS 5.3, published 15 May 2026)
- [CVE-2026-8368: libwww-perl LWP::UserAgent credential leak on cross-origin redirects](https://junglewise.ai/threats/cve-2026-8368-libwww-perl-lwp-useragent-credential-leak-on-cross-origin) (medium, CVSS 6.5, published 12 May 2026)

## Most severe Libwww-Perl vulnerabilities

- [CVE-2026-8368: libwww-perl LWP::UserAgent credential leak on cross-origin redirects](https://junglewise.ai/threats/cve-2026-8368-libwww-perl-lwp-useragent-credential-leak-on-cross-origin) (medium, CVSS 6.5, published 12 May 2026)
- [CVE-2026-8612: libwww-perl WWW::Mechanize::Cached insecure permissions and deserialization](https://junglewise.ai/threats/cve-2026-8612-libwww-perl-www-mechanize-cached-insecure-permissions-and) (medium, CVSS 5.3, published 15 May 2026)
- [CVE-2026-8829: libwww-perl HTML::Entities use-after-free in _decode_entities](https://junglewise.ai/threats/cve-2026-8829-libwww-perl-html-entities-use-after-free-in-decode-entities) (info, CVSS 0, published 4 Jun 2026)
- [CVE-2026-116531: HTTP::Body chunked request body parsing hang](https://junglewise.ai/threats/cve-2026-116531-http-body-versions-before-1-23-01-for-perl-lose-track-of-chunk) (info, published 28 Oct 2026)
- [CVE-2026-116135: HTTP::Body percent-escape decoding bypass in urlencoded forms](https://junglewise.ai/threats/cve-2026-116135-http-body-versions-before-1-23-01-for-perl-drop-mixed-case) (info, published 28 Oct 2026)
- [CVE-2026-116133: HTTP::Body Perl multipart parser CPU exhaustion via quadratic rescanning](https://junglewise.ai/threats/cve-2026-116133-http-body-versions-before-1-23-01-for-perl-allow-cpu-exhaustion) (info, published 28 Oct 2026)
- [CVE-2026-116132: HTTP::Body temporary file disclosure in incomplete multipart uploads](https://junglewise.ai/threats/cve-2026-116132-http-body-versions-before-1-23-01-for-perl-leave-the-temporary) (info, published 28 Oct 2026)
- [CVE-2026-116131: HTTP::Body request body denial of service via field count exhaustion](https://junglewise.ai/threats/cve-2026-116131-http-body-versions-before-1-23-01-for-perl-allow-memory-and) (info, published 28 Oct 2026)

## Vulnerabilities per week

5 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 5 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Libwww-Perl technologies

- [Libwww-Perl HTTP::Body](https://junglewise.ai/threats/technologies/libwww-perl-http-body): 5 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Libwww-Perl vulnerabilities", https://junglewise.ai/threats/vendors/libwww-perl, 9 November 2026.
