CVE-2020-26136: Authentication bypass in SilverStripe GraphQL

medium Affects silverstripe/graphql. Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

Authentication bypass in SilverStripe GraphQL

Package
silverstripe/graphql Composer
Affected versions
>=3.0.0 and <3.5.0 or >=4.0.0-alpha1 and <4.0.0-alpha2
Fixed in
3.5.0, 4.0.0-alpha2
Severity
medium  CVSS 6.5
Exploitation
not on CISA KEV · EPSS 1% (67.0th percentile)
Published
2021-06-10
Source
osv.dev

References

CWE-287CWE-288
NVD recordsilverstripe/graphql advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

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