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VulnerabilityPublished

CVE-2026-78192: WebDyne versions from 2.022 before 3.022 for Perl disclose application source to unauthenticated

Source GCVE Database

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Authoritative record:CVE-2026-78192· High

Not known to be exploited : upgrade to 3.022 soon.

Data as of 31 Oct 2026, 18:09 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 3.022

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 31 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade WebDyne (Perl module) to 3.022.

Affected software

ProductAffectedFixed in
WebDyneAffected
  • >=2.022 <3.022
Fixed in
  • 3.022
CPANWebDynepkg:cpan/WebDyneOther threatsAffected
  • >=2.022 <3.022
Fixed in
  • 3.022

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

If you cannot patch yet, consider disabling the built-in index page or restricting access to the source viewer functionality to trusted users only.

Description

WebDyne versions from 2.022 up to but not including 3.022 for Perl have a vulnerability that allows unauthenticated remote attackers to read application source code via the built-in viewer on the default index page. This includes Perl source files and embedded __PERL__ blocks in .psp pages, potentially exposing sensitive credentials.

References

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