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Vulnerability record · CVE-2026-13410 · published 17 July 2026

CVE-2026-13410: Improper certificate validation vulnerability

Dancer::Plugin::Auth::Google versions before 0.08 for Perl have TLS verification disabled. The default user agent is initialised with SSL_verify_mode explicitly disabled. An attacker with network man-in-the-middle (MITM) capability between the Dancer application and googleapis.com can intercept the OAuth2 token exchange and userinfo fetch, return a forged access_token and user profile, and be logged in to the Dancer application as any Google user.

8.2 CVSS 3.1 High EPSS 0.38% · top 70.3% CWE-295 · Improper certificate validation Deferred
8.2CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
11 Aug 2026Last modified by NVD

Description

Dancer::Plugin::Auth::Google versions before 0.08 for Perl have TLS verification disabled. The default user agent is initialised with SSL_verify_mode explicitly disabled. An attacker with network man-in-the-middle (MITM) capability between the Dancer application and googleapis.com can intercept the OAuth2 token exchange and userinfo fetch, return a forged access_token and user profile, and be logged in to the Dancer application as any Google user.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L

References

LinkTags
https://github.com/garu/Dancer-Plugin-Auth-Google/commit/2fdb72527eaa0e11a5c134c597f1e44e37411d95.patch
https://github.com/garu/Dancer-Plugin-Auth-Google/pull/5
https://metacpan.org/pod/Furl#HTTPS-requests-claims-warnings!
https://metacpan.org/release/GARU/Dancer-Plugin-Auth-Google-0.08/changes
https://security.metacpan.org/patches/D/Dancer-Plugin-Auth-Google/0.07/CVE-2026-13410-r1.patch
http://www.openwall.com/lists/oss-security/2026/07/17/8

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Source: NIST National Vulnerability Database (record CVE-2026-13410), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.