CVE-2026-25554
OpenSIPS JWT auth SQLi allows impersonation.
Is CVE-2026-25554 being exploited?
Not confirmed. CVE-2026-25554 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 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-25554?
CVE-2026-25554 is rated High with a CVSS score of 8.3. 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-2026-25554?
Yes. A fix has been recorded for CVE-2026-25554. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-25554 affect?
CVE-2026-25554 affects OpenSIPS 3.1.x before 3.6.4 with db_mode enabled and SQL backend. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-25554?
Upgrade to OpenSIPS 3.6.4+ with patched auth_jwt
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
By crafting a JWT tag claim, attacker can alter SQL query and bypass JWT auth to impersonate arbitrary users.
Immediate action required
- affected>= 3.1 and < 3.6.4
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.