TI-2026-55333 Aliases CVE-2026-80050 GHSA-4wpm-f9xp-x65x

ContiNew Admin through 4.1.0 Missing Authorization and File-Type Allowlist on Multipart Upload Endpoints

MEDIUM 64CWE-434Published 2026-08-25 · Updated 2026-08-26

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

ContiNew Admin fails to apply file-upload permission checks or file-type allowlist validation to multipart upload endpoints, allowing authenticated users to store files with arbitrary extensions. Attackers can initialize chunked uploads, send file parts, and complete uploads to leave arbitrary files in the storage backend accessible via web server URLs.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.003 22nd percentileScored 2026-11-08

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

Vendor	Product	Affected versions	Fixed in	Status	Source
continew-org	continew-admin	up to 4.1.0	—	No fix listed	CNA

continew-admin Vendorcontinew-org Affected up to 4.1.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-80050
2026-10-03 Alias added: GHSA-4wpm-f9xp-x65x

References

Other 3

TI-2026-62459 ContiNew Admin through 4.1.0 Unauthorized Message Deletion via UserMessageController CVSS 4.0HIGH 7.1

Sources

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