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CVE-2026-105856 · GHSA-pj7x-6wpf-pgvp

Payload: SQL injection in SQLite/Postgres

Risk score
59/100
CVSS
8.3 v3.1
Exploit chance (30 days)
0.3%
Published
6 Oct 2026

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What to know

What it is
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…
Affected
@payloadcms/db-sqlite (npm) >= 3.0.0, < 3.90.0; @payloadcms/db-d1-sqlite (npm) >= 3.0.0, < 3.90.0; @payloadcms/db-postgres (npm) >= 3.0.0, < 3.73.0; @payloadcms/db-vercel-postgres (npm) >= 3.0.0, < 3.73.0
Fix
Upgrade @payloadcms/db-sqlite to 3.90.0 or 4.0.0-canary.34; @payloadcms/db-d1-sqlite to 3.90.0 or 4.0.0-canary.34; @payloadcms/db-postgres to 3.73.0; @payloadcms/db-vercel-postgres to 3.73.0 (whichever matches your release line) or later.
Exploitation
No known exploitation

Story map

Story map: @payloadcms/plugin-form-builderTHE FLAWSTHE FIXCVE-2026-105856Payload: SQL injection inSQLite/PostgresCVSS 8.3 · EPSS 0%CVE-2026-105857Payload Form Builder has anRCE issueCVSS 10.0 · EPSS 0%CVE-2026-105859Payload: Unauthorized updateto collection documentsCVSS 9.8 · EPSS 0%CVE-2026-105863Payload authentication tokenfield handling issueCVSS 9.4 · EPSS 0%Upgrade…3.90.0 · 4.0.0 · 3.73.0or later on your release lineWho is exposed@payloadcms/plugin-form-builder (npm) < 3.90.0;@payloadcms/plugin-form-builder (npm) >= 4.0.0-canary.0, <4.0.0-canary.34AMBER · PATCH THIS WEEK@payloadcms/plugin-form-builderPayload is a free and open sourceheadless content managementsystem. In@payloadcms/plugin-form-builder versions before 3.90.0 andcanary versions before4.0.0-canary.34, an attacker…Where it standsNo known exploitationCONNECTS TOSame weaknessSQL injection (CWE-89)400 other warnings in 30 days →Same productEarlier @payloadcms/db-sqlite warnings20 in the last 90 days →
Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

@payloadcms/plugin-form-builder: Amber, patch this week. Payload is a free and open source headless content management system. In @payloadcms/plugin-form-builder versions before 3.90.0 and canary versions before 4.0.0-canary.34, an attacker can craft a form submission that executes code remotely on the server. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

The flaws

  • CVE-2026-105856: Payload: SQL injection in SQLite/Postgres (CVSS 8.3 · EPSS 0%)
  • CVE-2026-105857: Payload Form Builder has an RCE issue (CVSS 10.0 · EPSS 0%)
  • CVE-2026-105859: Payload: Unauthorized update to collection documents (CVSS 9.8 · EPSS 0%)
  • CVE-2026-105863: Payload authentication token field handling issue (CVSS 9.4 · EPSS 0%)

The fix

Upgrade @payloadcms/plugin-form-builder: 3.90.0 · 4.0.0 · 3.73.0 or later on your release line

Who is exposed: @payloadcms/plugin-form-builder (npm) < 3.90.0; @payloadcms/plugin-form-builder (npm) >= 4.0.0-canary.0, < 4.0.0-canary.34

Where it stands

  • No known exploitation

Connects to

Why it is Yellow

  • CVSS 8.3 high
  • On your watchlist: npm

Affected packages

PackageEcosystemVulnerableFixed in
@payloadcms/db-sqlitenpm>= 3.0.0, < 3.90.03.90.0
@payloadcms/db-d1-sqlitenpm>= 3.0.0, < 3.90.03.90.0
@payloadcms/db-postgresnpm>= 3.0.0, < 3.73.03.73.0
@payloadcms/db-vercel-postgresnpm>= 3.0.0, < 3.73.03.73.0
@payloadcms/db-sqlitenpm>= 4.0.0-canary.0, < 4.0.0-canary.344.0.0-canary.34
@payloadcms/db-d1-sqlitenpm>= 4.0.0-canary.0, < 4.0.0-canary.344.0.0-canary.34

References

Original 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.

Last activity 6 Oct 2026. Patch Forecast updates every hour.