High severity · published Oct 6, 2026
CVE-2026-105856
Payload: SQL injection in SQLite/Postgres
8.3
CVSS
0.3%
EPSS
No
On KEV
Description
Payload is a free and open source headless content management system. Prior to 3.90.0 and 4.0.0-canary.34, an attacker with read and create or update access to a collection containing a json field or a blocks field with blocksAsJSON enabled can inject SQL through a crafted field path and operators. Collections without those fields are not affected, and richText fields are not affected. The SQLite packages are fixed in versions 3.90.0 and 4.0.0-canary.34, and the Postgres packages are fixed in version 3.73.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
Low
Scope
Unchanged
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
DB
db-d1-sqlite · @payloadcms
>= 3.0.0, < 3.90.0; >= 4.0.0-canary.0, < 4.0.0-canary.34 · source: vendor
DB
db-postgres · @payloadcms
>= 3.0.0 < 3.73.0 · source: vendor
DB
db-sqlite · @payloadcms
>= 3.0.0, < 3.90.0; >= 4.0.0-canary.0, < 4.0.0-canary.34 · source: vendor
DB
db-vercel-postgres · @payloadcms
>= 3.0.0 < 3.73.0 · source: vendor
PA
payload · payloadcms
>= 3.0.0, < 3.90.0; >= 4.0.0-canary.0, < 4.0.0-canary.34 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105856
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105856
x_refsource_CONFIRM
https://github.com/payloadcms/payload/security/advisories/GHSA-pj7x-6wpf-pgvp
x_refsource_MISC
https://github.com/payloadcms/payload/commit/03b78c7e0901d19c67f07bdf6396a276010adbcc
x_refsource_MISC
https://github.com/payloadcms/payload/releases/tag/v3.90.0
