Affects widely used IBM enterprise data protection product; remote heap overflow allows DoS or RCE, risking monitoring, compliance, and data security across organizations.
CVE-2026-82335
Heap overflow in IBM Guardium MongoDB parser allows DoS or remote code execution
Is CVE-2026-82335 being exploited?
Not confirmed. CVE-2026-82335 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 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-82335?
CVE-2026-82335 is rated High with a CVSS score of 8.1. 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-2026-82335?
Yes. A fix has been recorded for CVE-2026-82335. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-82335 affect?
CVE-2026-82335 affects IBM Guardium Data Protection 12.0, IBM Guardium Data Protection 12.1, IBM Guardium Data Protection 12.2. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-82335?
Apply vendor patch/mitigation ASAP; restrict MongoDB protocol access to trusted hosts
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker can send a crafted MongoDB SCRAM username to trigger a heap-based buffer overflow, causing DoS or arbitrary code execution.
Immediate action required
- affected12.0
- affected12.1
- affected12.2
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.