CVE-2026-31871
SQL injection in Parse Server PostgreSQL adapter via dot-notation sub-key.
WAF coverage: SQL injection. Signatures match well at the request layer.
Also consider: parameterized queries · ORM
Is CVE-2026-31871 being exploited?
Not confirmed. CVE-2026-31871 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 0.42% probability of exploitation in the next 30 days.
How severe is CVE-2026-31871?
CVE-2026-31871 is rated Critical with a CVSS score of 9.3. 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-2026-31871?
Yes. A fix has been recorded for CVE-2026-31871. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-31871 affect?
CVE-2026-31871 affects Parse Server PostgreSQL storage adapter. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-31871?
Upgrade to 9.6.0-alpha.5 or 8.6.31; review REST input handling.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Bypass ACLs/CLPs; inject arbitrary SQL via REST, read/modify data, possible DB code execution.
Patch when possible
- affected>= 9.0.0 and < 9.6.0-alpha.5
- affected< 8.6.31
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.