CVE-2026-40163
Unauthenticated endpoints allow arbitrary directory writes and file reads.
Is CVE-2026-40163 being exploited?
Not confirmed. CVE-2026-40163 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 0.33% probability of exploitation in the next 30 days.
How severe is CVE-2026-40163?
CVE-2026-40163 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-2026-40163?
Yes. A fix has been recorded for CVE-2026-40163. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-40163 affect?
CVE-2026-40163 affects Saltcorn before 1.4.5, Saltcorn before 1.5.5, Saltcorn before 1.6.0-beta.4. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-40163?
Upgrade to fixed versions (1.4.5+, 1.5.5+, or 1.6.0-beta.4+)
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated arbitrary directory/file writes (changes.json) and listing/reading JSON files via endpoints; potential RCE risk.
Patch when possible
- affected< 1.4.5
- affected>= 1.5.0-beta.0 and < 1.5.5
- affected>= 1.6.0-alpha.0 and < 1.6.0-beta.4
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.