CVE-2026-13410 Dancer::Plugin::Auth::Google versions before 0.08 for Perl have TLS verification disabled
Man-in-the-middle attackers can bypass TLS verification to forge OAuth2 tokens and log in as any Google user in Dancer applications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-13410?
CVE-2026-13410 is a high-severity vulnerability in GARU Dancer::Plugin::Auth::Google, published on 17 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-295
Which versions are affected by CVE-2026-13410?
How do I fix CVE-2026-13410?
No fix has been published for CVE-2026-13410 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-13410 being exploited?
There is no known exploitation of CVE-2026-13410 in the wild and no public exploit code.
Sources
Also known as GHSA-mwgc-xrww-2crj.