What’s Vulnerable › Vulnerabilities

CVE-2021-28661

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-07 · updated 2026-06-17
• Weakness: CWE-863

Description

Default SilverStripe GraphQL Server (aka silverstripe/graphql) 3.x through 3.4.1 permission checker not inherited by query subclass.

Affected products

• Silverstripe: from 3.0.0 through 3.4.1

References

• https://github.com/silverstripe/silverstripe-graphql/releases
• https://www.silverstripe.org/download/security-releases/CVE-2021-28661
• https://github.com/silverstripe/silverstripe-graphql/releases
• https://www.silverstripe.org/download/security-releases/CVE-2021-28661

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