CVE-2026-42369
Buffer overflow in GV-VMS V20 gvapi endpoint allows SYSTEM RCE via crafted base64 input.
Is CVE-2026-42369 being exploited?
Not confirmed. CVE-2026-42369 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 0.54% probability of exploitation in the next 30 days.
How severe is CVE-2026-42369?
CVE-2026-42369 is rated Critical with a CVSS score of 10.0. 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-2026-42369?
Not known from our data. No patch reference has been recorded for CVE-2026-42369, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-42369 affect?
CVE-2026-42369 affects GV-VMS V20, WebCam Server (gvapi). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-42369?
Patch when available; limit exposure of gvapi/WebCam Server.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution as SYSTEM on host via stack overflow when decoding oversized base64 input; no ASLR.
Patch when possible
- affectedV20.0.2
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.