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Vulnerabilities

Vulnerability · CVE-2026-100361

Mass Assignment in V8 API Allows Modification of Sensitive User Fields (user_hash, external_auth_only)

Published Oct 12, 2026 · catalog updated Oct 12, 2026 · Mass Assignment in V8

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Open the advisory

Exploitation likelihood is not on this record for CVE-2026-100361. A missing EPSS score is not a low risk. Compare Mass Assignment in V8 with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Mass Assignment in V8).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Not in the current FIRST EPSS dataset
Remediation
Not established
Affected products
See sources for product scope

### Summary The SuiteCRM V8 REST API allows authenticated users to modify fields marked as and in vardef definitions. While the read path correctly suppresses these fields from API responses, the write path only validates field existence and does not enforce the same restrictions. As a result, authenticated users can modify sensitive fields including: * * through . This creates a read/write authorization mismatch where fields intentionally hidden from API consumers remain writable through the API. --- ### Impact An authenticated user can modify sensitive fields that are explicitly marked as hidden from API consumers. Observed impacts include: * Direct modification of through the V8 API. * Direct modification of authentication-related fields (user_hash, external_auth_only) that are intentionally hidden from API consumers through api-visible:false and/or sensitive:true metadata. * Modification of . * Potential impact on deployments using LDAP, SAML, Active Directory, or other external authentication providers if authentication-related flags can be modified by authenticated users. This issue may allow users to persist access by directly modifying internal authentication attributes rather than using intended account-management workflows.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-100361

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for CVE-2026-100361. A missing EPSS score is not a low risk. Compare Mass Assignment in V8 with the linked advisory before you change production.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes. EPSS is absent from the current FIRST dataset. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

SuiteCRM security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 12, 2026 · Maintainer security tabs

    Detected

    ### Summary The SuiteCRM V8 REST API allows authenticated users to modify fields marked as and in vardef definitions. While the read path correctly suppresses these fields from API responses, the write path only validates field existence and does not enforce the same restrictions. As a result, authenticated users can modify sensitive fields including: * * through . This creates a read/write author

Sources

  • CVE.orgVulnerability recordCVE-2026-100361

    Official CVE identifier

    cve.org
  • Maintainer security tabsVendor advisoryGHSA-jhhh-64wx-fj9c

    ### Summary The SuiteCRM V8 REST API allows authenticated users to modify fields marked as and in vardef definitions. While the read path correctly suppresses these fields from API responses, the write path only validates field existence and does not enforce the same restrictions. As a result, authenticated users can modify sensitive fields including: * * through . This creates a read/write author

    github.com

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 2, 2026
  • Maintainer security tabsNov 1, 2026