High severity · published Apr 1, 2026
CVE-2026-34746
Payload has Authenticated SSRF via Upload Functionality
7.7
CVSS
0.3%
EPSS
No
On KEV
Description
Payload is a free and open source headless content management system. Prior to version 3.79.1, an authenticated Server-Side Request Forgery (SSRF) vulnerability exists in the upload functionality. Authenticated users with create or update access to an upload-enabled collection could cause the server to make outbound HTTP requests to arbitrary URLs. This issue has been patched in version 3.79.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
payload · payloadcms
< 3.79.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-34746
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-34746
Product
https://github.com/payloadcms/payload/releases/tag/v3.79.1
Mitigation
https://github.com/payloadcms/payload/security/advisories/GHSA-6r7f-q7f5-wpx8
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