CVE-2026-13410
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 8.2 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L
- EPSS
- 0.38% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Source
- 9b29abf9-4ab0-4765-b253-1875cd9b441e
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.