Read the docs
TI-2019-09529 Aliases CVE-2019-12739GHSA-vpwh-6v3v-q9vw

lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud…

Priority MEDIUM 44CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud allows Remote Code Execution via shell metacharacters in a RAR filename via ajax/extractRar.php (nameOfFile and directory parameters).

Why it matters now

EPSS 0.02508 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nextcloud:extract:*:*:*:*:*:nextcloud:*:*before 1.2.0Vulnerablenextcloud
  • cpe:2.3:a:nextcloud:extract:*:*:*:*:*:nextcloud:*:* Versions before 1.2.0 Vulnerable ·nextcloud

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-12739
  2. 2026-10-03 Alias added: GHSA-vpwh-6v3v-q9vw

References

Exploit 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences