Missing Authorization Vulnerability in ProjectSend AJAX Endpoints
CVE-2026-3977

5.3MEDIUM

Key Information:

Vendor

ProjectSend

Status
Projectsend
Vendor
CVE Published:
12 March 2026

What is CVE-2026-3977?

A security issue has been identified in ProjectSend up to version r1945, specifically within the AJAX Endpoints component. This vulnerability arises from a failure to enforce proper authorization controls, allowing attackers to exploit this flaw remotely. To mitigate this risk, deploying the patch with the identifier 35dfd6f08f7d517709c77ee73e57367141107e6b is highly recommended to secure the affected systems.

Affected Version(s)

projectsend r1945

References

https://vuldb.com/?id.350412
vdb-entry
https://vuldb.com/?ctiid.350412
signaturepermissions-required
https://github.com/projectsend/projectsend/issues/1525
issue-tracking

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

VulDB GitHub Commit Analyzer
.