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TI-2020-15973 Aliases CVE-2020-26136GHSA-mg2g-8pwj-r2j2

In SilverStripe through 4.6.0-rc1, GraphQL doesn't honour MFA (multi-factor…

Priority LOW 31CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-287.

Summary

In SilverStripe through 4.6.0-rc1, GraphQL doesn't honour MFA (multi-factor authentication) when using basic authentication.

Why it matters now

EPSS 0.01157 67th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed silverstripe/graphql (Packagist): 3.5.0, 4.0.0-alpha2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—silverstripe/graphql (Packagist)3.0.0 to before 3.5.03.5.0Patch availableGHSA-mg2g-8pwj-r2j2
—silverstripe/graphql (Packagist)4.0.0-alpha1 to before 4.0.0-alpha24.0.0-alpha2Patch availableGHSA-mg2g-8pwj-r2j2
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • silverstripe/graphql (Packagist) Vendor— Affected 3.0.0 to before 3.5.0 Fixed in 3.5.0 Patch available GHSA-mg2g-8pwj-r2j2
  • silverstripe/graphql (Packagist) Vendor— Affected 4.0.0-alpha1 to before 4.0.0-alpha2 Fixed in 4.0.0-alpha2 Patch available GHSA-mg2g-8pwj-r2j2

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:silverstripe:silverstripe:*:*:*:*:*:*:*:*before 4.6.0Vulnerablesilverstripe
cpe:2.3:a:silverstripe:silverstripe:4.6.0:rc1:*:*:*:*:*:*4.6.0 rc1Vulnerablesilverstripe
  • cpe:2.3:a:silverstripe:silverstripe:*:*:*:*:*:*:*:* Versions before 4.6.0 Vulnerable ·silverstripe
  • cpe:2.3:a:silverstripe:silverstripe:4.6.0:rc1:*:*:*:*:*:* Versions 4.6.0 rc1 Vulnerable ·silverstripe

Remediation

  • Fix · GHSA-mg2g-8pwj-r2j2 silverstripe/graphql (Packagist) Fixed in 3.5.0 Advisory →
  • Fix · GHSA-mg2g-8pwj-r2j2 silverstripe/graphql (Packagist) Fixed in 4.0.0-alpha2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-26136
  2. 2026-10-03 Alias added: GHSA-mg2g-8pwj-r2j2

References

Exploit 1

Advisory 4

Other 2

  • TI-2007-02239 Unspecified vulnerability in the search functionality in SilverStripe 2.0.0 has unknown impact and attack vectors. CVSS 2.0HIGH 10.0
  • TI-2019-09110 In SilverStripe through 4.3.3, a missing warning about leaving install.php in a public… CVSS 3.1CRITICAL 9.8
  • TI-2019-04049 All versions of SilverStripe 3 prior to 3.6.7 and 3.7.3, and all versions of SilverStripe… CVSS 3.0CRITICAL 9.8
  • TI-2019-09281 In SilverStripe through 4.3.3, the previous fix for SS-2018-007 does not completely… CVSS 3.1HIGH 8.8
  • TI-2011-04272 code/sitefeatures/PageCommentInterface.php in SilverStripe 2.4.x before 2.4.6 might allow… CVSS 2.0MEDIUM 6.8
  • TI-2020-07421 In SilverStripe through 4.5, files uploaded via Forms to folders migrated from… CVSS 3.1HIGH 7.5
See all 63 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences