CVE-2026-119699
WPGraphQL Smart Cache before 2.3.3 Unbounded Persisted Query Storage DoS
WPGraphQL Smart Cache before 2.3.3 contains an uncontrolled resource consumption vulnerability that allows unauthenticated attackers to persist unlimited query documents via the Automatic Persisted Query handler. Attackers can send distinct queries with matching SHA-256 queryId values, including batched operations, to grow the wp_posts table without bound and degrade database performance.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulnCheckAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| WPGraphQL Smart Cache WPGraphQL |
≥ 0; < 2.3.3 (affected, semver)
Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 6.9 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 5.3 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | CNA: VulnCheck |
| 4.0 / 6.9 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD: [email protected] |
| 3.1 / 5.3 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | NVD: [email protected] |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/wp-graphql/wp-graphql/security/advisories/GHSA-5p5r-f66g-r4vpCNA: VulnCheck · vendor-advisory
- https://github.com/wp-graphql/wp-graphql/commit/80c021c42f4d4969e1b41760a08b4faf3c544a9eCNA: VulnCheck · patch
- https://github.com/wp-graphql/wp-graphql/blob/wp-graphql-smart-cache/v2.3.2/plugins/wp-graphql-smart-cache/src/Document.phpCNA: VulnCheck · technical-description
- https://github.com/wp-graphql/wp-graphql/releases/tag/wp-graphql-smart-cache%2Fv2.3.3CNA: VulnCheck · release-notes
- https://github.com/wp-graphql/wp-graphqlCNA: VulnCheck · product
- https://www.vulncheck.com/advisories/wpgraphql-smart-cache-before-2.3.3-unbounded-persisted-query-storage-dosCNA: VulnCheck · third-party-advisory
- https://github.com/wp-graphql/wp-graphql[email protected]
- https://github.com/wp-graphql/wp-graphql/blob/wp-graphql-smart-cache/v2.3.2/plugins/wp-graphql-smart-cache/src/Document.php[email protected]
- https://github.com/wp-graphql/wp-graphql/commit/80c021c42f4d4969e1b41760a08b4faf3c544a9e[email protected]
- https://github.com/wp-graphql/wp-graphql/releases/tag/wp-graphql-smart-cache%2Fv2.3.3[email protected]
- https://github.com/wp-graphql/wp-graphql/security/advisories/GHSA-5p5r-f66g-r4vp[email protected]
- https://www.vulncheck.com/advisories/wpgraphql-smart-cache-before-2.3.3-unbounded-persisted-query-storage-dos[email protected]
For agents and automation
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