CVE-2026-14952
Unauthenticated HTTP access exposes railway signaling backups and downloads.
Is CVE-2026-14952 being exploited?
Not confirmed. CVE-2026-14952 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 0.50% probability of exploitation in the next 30 days.
How severe is CVE-2026-14952?
CVE-2026-14952 is rated High with a CVSS score of 8.7. 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-2026-14952?
Yes. A fix has been recorded for CVE-2026-14952. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-14952 affect?
CVE-2026-14952 affects FDS Web server, /FdsBackup.zip, /downloads/*, Railway signaling data repositories. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-14952?
Remove sensitive files from webroot, restrict access, enable authentication, update/patch FDS, monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated file disclosure: attackers can download /FdsBackup.zip and /downloads/* revealing signaling/track data enabling targeted attacks and operational disruption.
Immediate action required
- affected>= 2.1.0 and <= 2.13.3
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.