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VulnerabilityPublished Updated

CVE-2026-15689: ABEVERLEY Dancer2::Plugin::Auth::Extensible · Weak Password Recovery

Affects ABEVERLEY Dancer2::Plugin::Auth::ExtensibleSource CVE Database V5

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Not known to be exploited · CVSS 9.8 Critical.

Data as of 12 Nov 2026, 23:24 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Aug 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 13 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
ABEVERLEYDancer2::Plugin::Auth::ExtensibleAffected
  • <=0.713
Fixed in–
GitHubDancer2-Plugin-Auth-Extensiblepkg:github/Dancer2-Plugin-Auth-ExtensibleOther threatsAffected
  • <=0.713
Fixed in–

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

AI-suggested

Until a fix is available, users should avoid using the default reset_password_handler configuration or customize the base URL used in password reset emails to a trusted value rather than relying on the untrusted Host or X-Forwarded-Host headers. Monitoring vendor communications for an official fix is recommended.

Description

Dancer2::Plugin::Auth::Extensible versions up to 0.713 for Perl contain a critical vulnerability in their password recovery mechanism. The flaw allows an attacker to poison the password reset link by manipulating the HTTP Host header or X-Forwarded-Host header. This causes the reset email to contain a link pointing to an attacker-controlled host. When a user clicks this link, the attacker gains access to a valid password reset code, enabling account takeover. The vulnerability affects default configurations with reset_password_handler enabled and default message text. Versions 0.711 and earlier read the request URI base directly, while versions 0.712 and later introduce a configuration key that defaults to the untrusted request URI base if unset.

References

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