CVE-2026-12746
OAuth provider CSRF vulnerability in Dancer2::Plugin::Auth::OAuth::Provider <0.23
Is CVE-2026-12746 being exploited?
Not confirmed. CVE-2026-12746 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.25% probability of exploitation in the next 30 days.
How severe is CVE-2026-12746?
CVE-2026-12746 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-12746?
Yes. A fix has been recorded for CVE-2026-12746. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-12746 affect?
CVE-2026-12746 affects Dancer2::Plugin::Auth::OAuth::Provider <0.23, Perl web apps using the plugin. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-12746?
Upgrade to 0.23+
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
OAuth login CSRF: attacker can complete a victim's login via forged callback; may gain access via linked provider.
Patch when possible
- affected< 0.23
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.