CVE-2026-30965
Parse Server query flaw leaks session tokens via redirectClassNameForKey.
Is CVE-2026-30965 being exploited?
Not confirmed. CVE-2026-30965 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 1.3% probability of exploitation in the next 30 days.
How severe is CVE-2026-30965?
CVE-2026-30965 is rated Critical with a CVSS score of 9.9. 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-2026-30965?
Yes. A fix has been recorded for CVE-2026-30965. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-30965 affect?
CVE-2026-30965 affects Parse Server. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-30965?
Upgrade to 9.5.2-alpha.8 or 8.6.21+
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Exfiltrates session tokens via crafted query, enabling account takeover.
Immediate action required
- affected>= 9.0.0 and < 9.5.2-alpha.8
- affected< 8.6.21
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.