CVE-2026-56308
Email-change auth bypass allows account takeover using a valid session cookie.
Is CVE-2026-56308 being exploited?
Not confirmed. CVE-2026-56308 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 0.43% probability of exploitation in the next 30 days.
How severe is CVE-2026-56308?
CVE-2026-56308 is rated High with a CVSS score of 8.4. 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-2026-56308?
Yes. A fix has been recorded for CVE-2026-56308. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-56308 affect?
CVE-2026-56308 affects Capgo versions before 12.128.2, Capgo web user/admin interfaces using session cookies. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-56308?
Update Capgo to 12.128.2; enforce current-password re-auth and email verification.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
An attacker with a valid session can change account email without current-password, bypass MFA, reset password, and fully take over accounts.
Immediate action required
- affected< 12.128.2
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.