Resource exhaustion in Wpgraphql Smart Cache
CVE-2026-119699
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/wp-graphql/wp-graphql/security/advisories/GHSA-5p5r-f66g-r4vp (vendor-advisory)
- github.com/wp-graphql/wp-graphql/commit/80c021c42f4d4969e1b41760a08b4faf3c544a9e (patch)
- github.com/wp-graphql/wp-graphql/blob/wp-graphql-smart-cache/v2.3.2/plugins/wp-… (technical-description)
- github.com/wp-graphql/wp-graphql/releases/tag/wp-graphql-smart-cache/v2.3.3 (release-notes)
- github.com/wp-graphql/wp-graphql (product)
- www.vulncheck.com/advisories/wpgraphql-smart-cache-before-2.3.3-unbounded-persi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-119699?
- CVE-2026-119699 is a medium-severity vulnerability in Wpgraphql Smart Cache, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-10-30.
- How severe is CVE-2026-119699?
- Medium severity. CVSS v3 base score is 5.3 out of 10.