CVE-2026-14947
ZIP directory-traversal in archive extraction allows writing files outside intended directory
Is CVE-2026-14947 being exploited?
Not confirmed. CVE-2026-14947 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 0.94% probability of exploitation in the next 30 days.
How severe is CVE-2026-14947?
CVE-2026-14947 is rated High with a CVSS score of 8.6. 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-2026-14947?
Yes. A fix has been recorded for CVE-2026-14947. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-14947 affect?
CVE-2026-14947 affects Any application extracting ZIP archives, Web/file upload services, Document management systems, CI/CD servers, and 1 further product or version. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-14947?
Sanitize/block ../ entries, restrict extraction privileges, audit uploads, apply vendor patch when released
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Crafted ZIP entries with '../' can overwrite arbitrary files during extraction, enabling remote code execution and full system compromise.
Immediate action required
- affected>= 2.8.0 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.