CVE-2026-32886
Parse Server remote crash via crafted cloud function name causing stack overflow
Is CVE-2026-32886 being exploited?
Not confirmed. CVE-2026-32886 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 0.51% probability of exploitation in the next 30 days.
How severe is CVE-2026-32886?
CVE-2026-32886 is rated High with a CVSS score of 8.2. 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-2026-32886?
Yes. A fix has been recorded for CVE-2026-32886. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-32886 affect?
CVE-2026-32886 affects Parse Server (Node.js) < 9.6.0-alpha.24, Parse Server (Node.js) < 8.6.47. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-32886?
Upgrade to fixed versions 9.6.0-alpha.24+ or 8.6.47+
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote DoS: crafted cloud function name traverses prototype chain, causing stack overflow.
Patch when possible
- affected>= 9.0.0 and < 9.6.0-alpha.24
- affected< 8.6.47
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.