GraphQL Tools: Shared legacy executor routes one subscription's results to a different caller

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0034, the 27th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 28 Oct 2026, 20:45 UTC Confirmed by the CVE List
2. 28 Oct 2026, 21:16 UTC Confirmed by NVD
3. 31 Oct 2026, 13:32 UTC First seen by agentprime
4. 31 Oct 2026, 13:32 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-mp66-8ww2-pcwm
• OSV: GHSA-mp66-8ww2-pcwm
• github.com/ardatan/graphql-tools/security/advisories/GHSA-mp66-8ww2-pcwm
• github.com/ardatan/graphql-tools/pull/8480
• github.com/ardatan/graphql-tools/commit/c2f226e6f68236be9e4a577f29faeaa92547458b
• github.com/ardatan/graphql-tools
• github.com/ardatan/graphql-tools/releases/tag/@graphql-tools/[email protected]

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.