Saleor up to 3.20.117/3.21.53/3.22.46/3.23.0a2 HTTP Request allocation of resources

Summaryinfo

A vulnerability, which was classified as problematic, was found in Saleor up to 3.20.117/3.21.53/3.22.46/3.23.0a2. Affected by this issue is some unknown functionality of the component HTTP Request Handler. Executing a manipulation can lead to allocation of resources. This vulnerability is tracked as CVE-2026-33756. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Saleor up to 3.20.117/3.21.53/3.22.46/3.23.0a2. This vulnerability affects some unknown functionality of the component HTTP Request Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. CVE summarizes:

Saleor is an e-commerce platform. From 2.0.0 to before 3.23.0a3, 3.22.47, 3.21.54, and 3.20.118, Saleor supports query batching by submitting multiple GraphQL operations in a single HTTP request as a JSON array but wasn't enforcing any upper limit on the number of operations. This allowed an unauthenticated attacker to send a single HTTP request many operations (bypassing the per query complexity limit) to exhaust resources. This vulnerability is fixed in 3.23.0a3, 3.22.47, 3.21.54, and 3.20.118.

The advisory is available at github.com. This vulnerability was named CVE-2026-33756 since 03/23/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 3.20.118, 3.21.54, 3.22.47 or 3.23.0a3 eliminates this vulnerability. Applying the patch 7be352fa8c35875d6e66d36493ca7c14c101bd64 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• Saleor

Version

• 3.20.117
• 3.21.0
• 3.21.1
• 3.21.2
• 3.21.3
• 3.21.4
• 3.21.5
• 3.21.6
• 3.21.7
• 3.21.8
• 3.21.9
• 3.21.10
• 3.21.11
• 3.21.12
• 3.21.13
• 3.21.14
• 3.21.15
• 3.21.16
• 3.21.17
• 3.21.18
• 3.21.19
• 3.21.20
• 3.21.21
• 3.21.22
• 3.21.23
• 3.21.24
• 3.21.25
• 3.21.26
• 3.21.27
• 3.21.28
• 3.21.29
• 3.21.30
• 3.21.31
• 3.21.32
• 3.21.33
• 3.21.34
• 3.21.35
• 3.21.36
• 3.21.37
• 3.21.38
• 3.21.39
• 3.21.40
• 3.21.41
• 3.21.42
• 3.21.43
• 3.21.44
• 3.21.45
• 3.21.46
• 3.21.47
• 3.21.48
• 3.21.49
• 3.21.50
• 3.21.51
• 3.21.52
• 3.21.53
• 3.22.0
• 3.22.1
• 3.22.2
• 3.22.3
• 3.22.4
• 3.22.5
• 3.22.6
• 3.22.7
• 3.22.8
• 3.22.9
• 3.22.10
• 3.22.11
• 3.22.12
• 3.22.13
• 3.22.14
• 3.22.15
• 3.22.16
• 3.22.17
• 3.22.18
• 3.22.19
• 3.22.20
• 3.22.21
• 3.22.22
• 3.22.23
• 3.22.24
• 3.22.25
• 3.22.26
• 3.22.27
• 3.22.28
• 3.22.29
• 3.22.30
• 3.22.31
• 3.22.32
• 3.22.33
• 3.22.34
• 3.22.35
• 3.22.36
• 3.22.37
• 3.22.38
• 3.22.39
• 3.22.40
• 3.22.41
• 3.22.42
• 3.22.43
• 3.22.44
• 3.22.45
• 3.22.46
• 3.23.0a2

License

• open-source

Website

• Product: https://github.com/saleor/saleor/

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