CVE-2026-33756

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 64% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
35.5%
KEV
Not listed

Published

April 8, 2026

Last Modified

April 20, 2026

Advisory Details (6)

Auto-updated Jun 15, 2026
Patch available. Sources: github_commit, github.
github Patch Available

Denial of Service via Unbounded GraphQL Query Batching · Advisory · saleor/saleor · GitHub

Affected: versions 3.23.0a3, 3.22.47, 3.21.54, and 3.20.118.

https://github.com/saleor/saleor/security/advisories/GHSA-24jw-f244-qfpp
github_commit

commit f0371bdd4caf (saleor/saleor)

Fix landed in saleor/saleor commit f0371bdd4caf — awaiting tagged release

https://github.com/saleor/saleor/commit/f0371bdd4cafcc841f1a9e7049cead6133bf7464
github_commit Patch Available

commit e42aa4d6e588 (saleor/saleor)

Patch available: saleor/saleor 3.23.0.a.3 (contains commit e42aa4d6e588)

https://github.com/saleor/saleor/commit/e42aa4d6e588982e78942b033af051c8ec8f43fa
github_commit Patch Available

commit d6a94e95bd77 (saleor/saleor)

Patch available: saleor/saleor 3.20.118 (contains commit d6a94e95bd77)

https://github.com/saleor/saleor/commit/d6a94e95bd77f3f733fa66afd1b1ac72e863ca2a
github_commit Patch Available

commit cdb66da97abb (saleor/saleor)

Patch available: saleor/saleor 3.22.47 (contains commit cdb66da97abb)

https://github.com/saleor/saleor/commit/cdb66da97abb7c86939e384914cd8d9194f378e8
github_commit Patch Available

commit 7be352fa8c35 (saleor/saleor)

Patch available: saleor/saleor 3.21.54 (contains commit 7be352fa8c35)

https://github.com/saleor/saleor/commit/7be352fa8c35875d6e66d36493ca7c14c101bd64

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 40× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-24 14:17 UTCEPSS rescore
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  5. 2026-07-23 03:09 UTCEG score recompute
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  8. 2026-07-20 22:02 UTCOSV refresh
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  71. 2026-05-20 18:20 UTCEG score recompute
  72. 2026-05-20 11:22 UTCEPSS rescore
  73. 2026-05-20 11:22 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-33756?
CVE-2026-33756 is a high vulnerability published on April 8, 2026. 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…
When was CVE-2026-33756 disclosed?
CVE-2026-33756 was first published in the National Vulnerability Database on April 8, 2026, with the most recent update on April 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-33756 actively exploited?
CVE-2026-33756 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-33756?
CVE-2026-33756 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-33756?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-33756, 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.

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