CVE-2026-27637
Auth bypass in FreeScout allows admin takeover via MD5-based token.
Is CVE-2026-27637 being exploited?
Not confirmed. CVE-2026-27637 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 0.67% probability of exploitation in the next 30 days.
How severe is CVE-2026-27637?
CVE-2026-27637 is rated Critical with a CVSS score of 9.8. 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-2026-27637?
Yes. A fix has been recorded for CVE-2026-27637. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-27637 affect?
CVE-2026-27637 affects FreeScout < 1.8.206 (Laravel). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-27637?
Upgrade to 1.8.206; rotate APP_KEY; invalidate tokens
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Token forgery via MD5-based TokenAuth lets attacker impersonate any user, including admin.
Immediate action required
- affected< 1.8.206
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.