CVE-2026-119699
WPGraphQL Smart Cache before 2.3.3 Unbounded Persisted Query Storage DoS
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-770 |
| Vendor | wpgraphql |
| Product | wpgraphql smart cache |
| Published | Oct 30, 2026 |
| Last Updated | Oct 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
WPGraphQL / WPGraphQL Smart Cache
0 < 2.3.3
References
github.com: https://github.com/wp-graphql/wp-graphql/security/advisories/GHSA-5p5r-f66g-r4vp github.com: https://github.com/wp-graphql/wp-graphql/commit/80c021c42f4d4969e1b41760a08b4faf3c544a9e github.com: https://github.com/wp-graphql/wp-graphql/blob/wp-graphql-smart-cache/v2.3.2/plugins/wp-graphql-smart-cache/src/Document.php github.com: https://github.com/wp-graphql/wp-graphql/releases/tag/wp-graphql-smart-cache%2Fv2.3.3 github.com: https://github.com/wp-graphql/wp-graphql vulncheck.com: https://www.vulncheck.com/advisories/wpgraphql-smart-cache-before-2.3.3-unbounded-persisted-query-storage-dos
Credits
pnn219 Ryuuzen1011