CVE-2026-21279
Improper input validation allows security feature bypass and unauthorized read/write access.
Is CVE-2026-21279 being exploited?
Not confirmed. CVE-2026-21279 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-2026-21279?
CVE-2026-21279 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-2026-21279?
Yes. A fix has been recorded for CVE-2026-21279. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-21279 affect?
CVE-2026-21279 affects Unspecified application(s)/component(s) with improper input validation. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-21279?
Inventory affected components, apply vendor patch when released; add input validation and restrict privileges.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can bypass security controls to gain unauthorized read and limited write access without user interaction.
Patch when possible
- affected<= 2023.0.22
- affected<= 2025.0.11
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.