CVE-2026-3977: projectsend AJAX Endpoints authorization

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-12 · updated 2026-06-17
Weakness: CWE-862

Description

A security vulnerability has been detected in projectsend up to r1945. The affected element is an unknown function of the component AJAX Endpoints. The manipulation leads to missing authorization. The attack can be initiated remotely. The identifier of the patch is 35dfd6f08f7d517709c77ee73e57367141107e6b. To fix this issue, it is recommended to deploy a patch.

Affected products

ProjectSend: r1945

References

https://github.com/projectsend/projectsend/
https://github.com/projectsend/projectsend/commit/35dfd6f08f7d517709c77ee73e57367141107e6b
https://github.com/projectsend/projectsend/issues/1525
https://github.com/projectsend/projectsend/issues/1525#issuecomment-3957109914
https://vuldb.com/?ctiid.350412
https://vuldb.com/?id.350412

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