# CVE-2020-26136: Authentication bypass in SilverStripe GraphQL

Source: https://junglewise.ai/threats/cve-2020-26136-authentication-bypass-in-silverstripe-graphql  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-06-10  
License: CC BY 4.0 with a link back

CVE-2020-26136 · Severity: low · CVSS 3.1 · Published 2021-06-10

Authentication bypass in SilverStripe GraphQL

Technologies: [silverstripe/graphql (Packagist)](https://junglewise.ai/threats/technologies/silverstripe-graphql). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2020-26136 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-26136 being exploited in the wild.

**How severe is CVE-2020-26136?** Low severity, with a CVSS score of 3.1, published 10 June 2021.

**Which products and versions are affected?** silverstripe/graphql (Packagist) ECOSYSTEM:introduced=3.0.0,fixed=3.5.0.

**Is there a fix for CVE-2020-26136?** Yes. silverstripe/graphql (Packagist): upgrade to 3.5.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-26136?** Check whether you run silverstripe/graphql (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- silverstripe/graphql (Packagist): upgrade to 3.5.0 or later

  ```sh
  composer require silverstripe/graphql:^3.5.0
  ```


## Affected products

- silverstripe/graphql (Packagist) ECOSYSTEM:introduced=3.0.0,fixed=3.5.0

## Identifiers

- CVE-2020-26136
- GHSA-mg2g-8pwj-r2j2

## Related threats

- [silverstripe/graphql Cross-Site Request Forgery vulnerability](https://junglewise.ai/threats/silverstripe-graphql-cross-site-request-forgery-vulnerability-337638d9)
- [View permissions are bypassed for paginated lists of ORM data](https://junglewise.ai/threats/cve-2023-44401-view-permissions-are-bypassed-for-paginated-lists-of-orm-data)
- [Silverstripe GraphQL has DDOS Vulnerability due to lack of protection against recursive queries](https://junglewise.ai/threats/cve-2023-40180-silverstripe-graphql-has-ddos-vulnerability-due-to-lack-of)
- [DDOS attack on graphql endpoints](https://junglewise.ai/threats/cve-2023-28104-ddos-attack-on-graphql-endpoints)
- [Silverstripe has Incorrect Default Permissions](https://junglewise.ai/threats/cve-2020-6165-silverstripe-has-incorrect-default-permissions)
