Read the docs

Missing authorization in OpenCATS import revert action lets users delete records

Priority LOW 24CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

OpenCATS before 0.10.0 contains a missing authorization flaw (CWE-862) in ImportUI::handleRequest(). Authenticated users with low privileges and READ-level access can call the import module's revert action to roll back data imports. An attacker can mass-delete imported candidate, company, and contact records.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

OpenCATS before 0.10.0 contains a missing authorization vulnerability in ImportUI::handleRequest() that allows low-privileged authenticated users to roll back data imports. Attackers with READ-level access can request the import module's revert action with an importID to mass-delete imported candidate, company, and contact records.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00274 19th percentileScored 2026-11-07
Fix Fixed OpenCATS (opencats): 0.10.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
opencatsOpenCATSbefore 0.10.00.10.0Patch availableCNA
  • OpenCATS Vendoropencats Affected before 0.10.0 Fixed in 0.10.0 Patch available CNA

Remediation

Upgrade OpenCATS to version 0.10.0 or later, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA OpenCATS (opencats) Fixed in 0.10.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    OpenCATS 0.10.0

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-76798 Missing authorization in OpenCATS calendar edit and deletePriority LOW 24
    • TI-2026-76797 Missing authorization in OpenCATS EEO reports exposes demographic dataPriority LOW 24
    • TI-2026-76795 Missing authorization in OpenCATS saved-list AJAX endpointsPriority LOW 24

Timeline

  1. 2026-10-20 Threatist record created from CVE-2026-112786
  2. 2026-10-20 Alias added: GHSA-p2pv-jqq4-q5gx
  3. 2026-10-20 CISA SSVC decision points changed

References

  • TI-2021-22549 OpenCATS 0.9.4 Remote Code Execution via Resume Upload CVSS 4.0CRITICAL 9.3
  • TI-2026-22120 OpenCATS PHP Code Injection via installer AJAX endpoint CVSS 4.0CRITICAL 9.2
  • TI-2026-36639 OpenCATS - SQL Injection in DataGrid sortDirection Parameter CVSS 4.0HIGH 8.4
  • TI-2023-12031 Cross-site scripting in OpenCATS CVSS 3.1MEDIUM 6.1
  • TI-2023-12032 Cross-site scripting in OpenCATS CVSS 3.1MEDIUM 5.4
  • TI-2023-12030 Open redirect in OpenCATS CVSS 3.1MEDIUM 5.4
See all 37 →

Sources