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CVE IDCVE-2026-105852GitHub advisory IDGHSA-7c34-32v3-j575

Payload relationship-query authorization bypass

CVE-2026-105852 (GitHub advisory GHSA-7c34-32v3-j575) is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9, classed as Missing Authorization (CWE-862), in payload (npm). Affected versions: < 3.90.0; >= 4.0.0-canary.0, < 4.0.0-canary.34. It is fixed in 3.90.0 or 4.0.0-canary.34, depending on the release line.

Medium6.9Fix availableGitHub reviewed

Published 6 Oct 2026Updated 6 Oct 2026

6.9MediumCVSS 4.0
CVE ID
CVE-2026-105852
GHSA ID
GHSA-7c34-32v3-j575
EPSS
0.27%higher than 18% of CVEs
Weakness (CWE)
KEV status
Not in KEV
Published
6 Oct 2026
Updated
6 Oct 2026
Ecosystem
  • npm
Assigned by (CNA)
GitHub_M

Summary

Source: OSV (GitHub advisory)

Impact

A readable collection could expose information about protected documents in a related collection.

You are affected if:

  • You expose a readable collection with a relationship to a collection protected by access.read where constraints.

Patches

Users should upgrade Payload packages to >= 3.90.0 or >= 4.0.0-canary.34.

Workarounds

There is no complete workaround. Upgrade Payload packages >= 3.90.0 or >= 4.0.0-canary.34.

Technical details

Source: GitHub Advisory Database

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Medium6.9Base score from GitHub Advisory Database

Attack Vector AV
Network
Attack Complexity AC
Low
Attack Requirements AT
None
Privileges Required PR
None
User Interaction UI
None
Confidentiality (Vulnerable System) VC
Low
Integrity (Vulnerable System) VI
None
Availability (Vulnerable System) VA
None
Confidentiality (Subsequent Systems) SC
None
Integrity (Subsequent Systems) SI
None
Availability (Subsequent Systems) SA
None

CISA SSVC decision points

Exploitation
none
No public exploitation evidence
Automatable
yes
Attackers can automate this at scale
Technical impact
partial
Limited control of the affected system

CISA Coordinator assessment (SSVC 2.0.3) via CVE.org.

Affected packages

Source: OSV (GitHub advisory)

  • payload
    npm
    pkg:npm/payload
    Affected versions
    < 3.90.0
    >= 4.0.0-canary.0, < 4.0.0-canary.34
    Fixed in
    3.90.0
    4.0.0-canary.34

Fix

Source: OSV (GitHub advisory)

Fix available

Upgrade to 3.90.0 or 4.0.0-canary.34, depending on your release line.

Patch commits

  • 94059cfPatch commitgithub.com/payloadcms/payload

    fix: scope related-collection access filters to same document

    +922 −25 across 11 files

    • packages/db-mongodb/src/queries/buildSearchParams.ts+152 −1
    • packages/drizzle/src/queries/getTableColumnFromPath.ts+15 −0
    • packages/drizzle/src/queries/parseParams.ts+71 −2
    • packages/payload/src/database/getLocalizedPaths.ts+14 −0
    • packages/payload/src/database/isNestedRelationshipQuery.ts+17 −0
    • packages/payload/src/database/queryValidation/validateSearchParams.ts+103 −2
    • packages/payload/src/exports/shared.ts+8 −6
    • test/access-control/getConfig.ts+74 −0
    • and 3 more files

Release commits

The commits each fixed release tag points at. They usually bump the version rather than contain the fix itself.

  • e10b602Release commit3.90.0github.com/payloadcms/payload

Vulnerability intelligence

References

Questions about CVE-2026-105852

What is the GHSA ID for CVE-2026-105852?
GitHub tracks CVE-2026-105852 as GHSA-7c34-32v3-j575.
What is the CVSS score of CVE-2026-105852?
CVE-2026-105852 has a CVSS 4.0 base score of 6.9 (Medium), vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N.
Which versions are affected by CVE-2026-105852?
payload (npm): < 3.90.0; >= 4.0.0-canary.0, < 4.0.0-canary.34.
How do I fix CVE-2026-105852?
Upgrade to 3.90.0 or 4.0.0-canary.34, depending on the release line. The fix is in commit 94059cf.
What is the Package URL (PURL) for CVE-2026-105852?
The affected package's PURL is pkg:npm/payload.
Is CVE-2026-105852 exploited in the wild?
CISA's Known Exploited Vulnerabilities catalog doesn't list CVE-2026-105852. That means no confirmed exploitation has been catalogued, not that it is safe to leave unpatched. CISA's SSVC assessment rates exploitation as "none". EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18% of CVEs.

Data sources

Upstream records

  • OSV (GitHub advisory)LoadedRaw JSON
  • GitHub Advisory DatabaseLoadedRaw JSON
  • OSV (CVE record)LoadedRaw JSON
  • CVE.orgLoaded
  • CISA KEV catalogLoaded

Fetched 1 day ago (14 Oct 2026, 17:49 UTC). Records refresh automatically after 24 hours.

Where each part of this page came from

Title and description
OSV (GitHub advisory)
Severity score
GitHub Advisory Database
Weakness (CWE)
GitHub Advisory Database
Affected packages
OSV (GitHub advisory)
Fix
OSV (GitHub advisory)
References
Computed by CVEminer
SSVC
CVE.org
KEV status
CISA KEV catalog
EPSS
GitHub Advisory Database

OSV and GitHub Advisory Database content is licensed CC BY 4.0. Values marked as computed or derived were calculated by CVEminer from the upstream data.