CVE-2026-14947
Raw vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2026-14947 is a high-severity Path Traversal: '../filedir' (CWE-24) vulnerability in Certvde (inferred from references). Its CVSS base score is 8.6 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Data from Local System (T1005); ranked in the top 41% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to SI-10 (Information Input Validation) and AC-3 (Access Enforcement) — see the control section below for these in your framework.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-63218
Vulnerability Data
A high-privileged remote attacker can upload malicious ZIP archive containing directory traversal sequences such as ../ can escape the intended extraction directory and write files to arbitrary locations on the server, potentially achieve arbitrary code execution due to improper validation…
more
of archive entry paths before writing files to disk which could result in full system compromise.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Input validation directly neutralizes '../' sequences in externally-supplied pathnames before they are resolved.
Enforced access authorizations can limit the damage even when path traversal succeeds.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure SDLC practices directly require input validation and path sanitization that prevent ../ traversal.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Secure SDLC mandates input validation and path canonicalization that directly block ../ traversal.
Application security requirements explicitly call for controls against path traversal in file-handling functions.
Secure architecture principles reduce attack surface but do not prescribe the specific coding fix.
Secure coding standards require neutralizing ../ sequences and canonicalizing paths before file operations.
Security testing in development catches path-traversal flaws before release.
Information access restriction limits which files can be reached, mitigating impact of traversal.