Read the docs
TI-2026-02182 Aliases CVE-2026-2556GHSA-89wr-3g6x-pxxx

cskefu Endpoint MediaController.java server-side request forgery

Priority MEDIUM 57CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A security vulnerability has been detected in cskefu up to 8.0.1. This issue affects some unknown processing of the file com/cskefu/cc/controller/resource/MediaController.java of the component Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00352 29th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
—cskefu8.0.0; 8.0.1—No fix listedCNA
  • cskefu Vendor— Affected 8.0.0; 8.0.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cskefu:cskefu:*:*:*:*:*:*:*:*up to 8.0.1VulnerableCskefu
  • cpe:2.3:a:cskefu:cskefu:*:*:*:*:*:*:*:* Versions up to 8.0.1 Vulnerable ·Cskefu

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2556
  2. 2026-10-03 Alias added: GHSA-89wr-3g6x-pxxx

References

  • TI-2026-02183 cskefu File Upload MediaController.java upload cross site scripting CVSS 4.0MEDIUM 5.1
  • TI-2022-16842 Insecure permissions in cskefu v7.0.1 allows unauthenticated attackers to arbitrarily add administrator accounts. CVSS 3.1HIGH 7.5

Sources