CVE-2026-11414
Unauthenticated signature forge + path traversal allow server compromise.
Is CVE-2026-11414 being exploited?
Not confirmed. CVE-2026-11414 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 0.48% probability of exploitation in the next 30 days.
How severe is CVE-2026-11414?
CVE-2026-11414 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-2026-11414?
Yes. A fix has been recorded for CVE-2026-11414. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-11414 affect?
CVE-2026-11414 affects Altium Enterprise Server (Vault service). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-11414?
Patch when released; restrict Vault endpoints and monitor activity.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can forge valid download signatures and read arbitrary files, exposing config and keys and enabling full compromise.
Patch when possible
- affected< 8.1.1
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.