CVE-2026-39920
Unauthenticated RCE via Axis2 admin on BridgeHead FileStore (<24A) using default creds.
Is CVE-2026-39920 being exploited?
Not confirmed. CVE-2026-39920 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-2026-39920?
CVE-2026-39920 is rated Critical with a CVSS score of 9.3. 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-2026-39920?
Yes. A fix has been recorded for CVE-2026-39920. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-39920 affect?
CVE-2026-39920 affects BridgeHead FileStore <24A. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-39920?
Upgrade to 24A+; rotate default creds; restrict admin exposure.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote OS command execution via SOAP to Axis2 admin after default credential login; can upload a malicious JAR and run commands.
Immediate action required
- affected< 24A
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.