CVE-2020-26136

MEDIUMNVD 6.56.5—

6.5

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

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 44.1%
KEV: Not listed

Published

June 8, 2021

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://forum.silverstripe.org/c/releases
cve@mitrehttps://www.silverstripe.org/blog/tag/release
cve@mitrehttps://www.silverstripe.org/download/security-releases/
cve@mitrehttps://www.silverstripe.org/download/security-releases/cve-2020-26136
af854a3a-2127-422b-91ae-364da2661108https://forum.silverstripe.org/c/releases
af854a3a-2127-422b-91ae-364da2661108https://www.silverstripe.org/blog/tag/release
af854a3a-2127-422b-91ae-364da2661108https://www.silverstripe.org/download/security-releases/
af854a3a-2127-422b-91ae-364da2661108https://www.silverstripe.org/download/security-releases/cve-2020-26136

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
silverstripe/graphql	4.0.0-alpha1	4.0.0-alpha2	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-287Improper Authentication

Data Freshness Timeline

(refreshed 11× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 15:20 UTCEG score recompute
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 10:16 UTCOSV refresh
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-26136?

CVE-2020-26136 is a medium vulnerability published on June 8, 2021. In SilverStripe through 4.6.0-rc1, GraphQL doesn't honour MFA (multi-factor authentication) when using basic authentication.

When was CVE-2020-26136 disclosed?

CVE-2020-26136 was first published in the National Vulnerability Database on June 8, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-26136 actively exploited?

CVE-2020-26136 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 44.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-26136?

CVE-2020-26136 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2020-26136?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-26136, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-26136

📅 Published

🔄 Last Modified

🔗 References (8)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-26136?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)