CVE-2020-26136

Name: CVE-2020-26136
Creator: NVD / NIST
Published: 2021-06-08T20:15:08.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2020-26136 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In SilverStripe through 4.6.0-rc1, GraphQL doesn't honour MFA (multi-factor authentication) when using basic authentication.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

1.16%

63.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions	Update
Silverstripe	Silverstripe	< 4.6.0	—
Silverstripe	Silverstripe	4.6.0	Rc1

References

https://forum.silverstripe.org/c/releasesRelease Notes, Vendor Advisory
https://www.silverstripe.org/blog/tag/releaseRelease Notes, Vendor Advisory
https://www.silverstripe.org/download/security-releases/Vendor Advisory
https://www.silverstripe.org/download/security-releases/cve-2020-26136Exploit, Vendor Advisory
https://forum.silverstripe.org/c/releasesRelease Notes, Vendor Advisory
https://www.silverstripe.org/blog/tag/releaseRelease Notes, Vendor Advisory
https://www.silverstripe.org/download/security-releases/Vendor Advisory
https://www.silverstripe.org/download/security-releases/cve-2020-26136Exploit, Vendor Advisory

Timeline

Published: Jun 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26136?

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

How severe is CVE-2020-26136?

CVE-2020-26136 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26136?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26136?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST