CVE-2026-33013
Micronaut DoS via crafted form binding.
Is CVE-2026-33013 being exploited?
Not confirmed. CVE-2026-33013 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 0.60% probability of exploitation in the next 30 days.
How severe is CVE-2026-33013?
CVE-2026-33013 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-2026-33013?
Yes. A fix has been recorded for CVE-2026-33013. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-33013 affect?
CVE-2026-33013 affects Micronaut Framework (pre-4.10.16, pre-3.10.5). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-33013?
Upgrade to 4.10.16 or 3.10.5+; apply patch ASAP
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote DoS: crafted indexed form data causes CPU loop and OutOfMemoryError.
Patch when possible
- affected>= 4.0.0-M1 and < 4.10.16
- affected< 3.10.5
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.