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TI-2026-26135 Aliases CVE-2026-33756

Saleor Affected by Denial of Service via Unbounded GraphQL Query Batching

Priority LOW 39CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-770.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00452 39th percentileScored 2026-11-07
Fix Fixed saleor (saleor): 3.20.118, 3.21.54, 3.22.47 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
saleorsaleor2.0.0 to before 3.20.118; 3.21.0-a.0 to before 3.21.54; 3.22.0-a.0 to before 3.22.47; 3.23.0-a.0 to before 3.23.0a33.20.118, 3.21.54, 3.22.47, 3.23.0a3Patch availableCNA
  • saleor Vendorsaleor Affected 2.0.0 to before 3.20.118; 3.21.0-a.0 to before 3.21.54; 3.22.0-a.0 to before 3.22.47; 3.23.0-a.0 to before 3.23.0a3 Fixed in 3.20.118, 3.21.54, 3.22.47, 3.23.0a3 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:saleor:saleor:*:*:*:*:*:*:*:*2.0.0 to before 3.20.118; 3.21.0 to before 3.21.54; 3.22.0 to before 3.22.47Vulnerablesaleor
cpe:2.3:a:saleor:saleor:3.23.0:alpha0:*:*:*:*:*:*3.23.0 alpha0Vulnerablesaleor
cpe:2.3:a:saleor:saleor:3.23.0:alpha1:*:*:*:*:*:*3.23.0 alpha1Vulnerablesaleor
cpe:2.3:a:saleor:saleor:3.23.0:alpha2:*:*:*:*:*:*3.23.0 alpha2Vulnerablesaleor
  • cpe:2.3:a:saleor:saleor:*:*:*:*:*:*:*:* Versions 2.0.0 to before 3.20.118; 3.21.0 to before 3.21.54; 3.22.0 to before 3.22.47 Vulnerable ·saleor
  • cpe:2.3:a:saleor:saleor:3.23.0:alpha0:*:*:*:*:*:* Versions 3.23.0 alpha0 Vulnerable ·saleor
  • cpe:2.3:a:saleor:saleor:3.23.0:alpha1:*:*:*:*:*:* Versions 3.23.0 alpha1 Vulnerable ·saleor
  • cpe:2.3:a:saleor:saleor:3.23.0:alpha2:*:*:*:*:*:* Versions 3.23.0 alpha2 Vulnerable ·saleor

Remediation

  • Fix · CNA saleor (saleor) Fixed in 3.20.118, 3.21.54, 3.22.47, 3.23.0a3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-33756
  2. 2026-10-25 EPSS moved to the below the 50th percentile
  3. 2026-10-25 Priority changed: MEDIUM → LOW

References

  • TI-2026-19454 Saleor has an Insecure Direct Object Reference (IDOR) in GraphQL API CVSS 4.0HIGH 8.7
  • TI-2026-27537 Saleor has a resource exhaustion vulnerability in GraphQL queries CVSS 3.1HIGH 7.5
  • TI-2026-18932 Saleor vulnerable to stored XSS via Unrestricted File Upload CVSS 4.0HIGH 8.5
  • TI-2026-18341 Saleor lacks proper HTML sanitization in rich text fields CVSS 4.0HIGH 7.2
  • TI-2022-18651 Improper object type validation in saleor CVSS 3.1MEDIUM 5.3
  • TI-2022-00832 Missing Authorization in saleor/saleor CVSS 3.1MEDIUM 6.5
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences