Apollo Router vulnerable to Critical Regression In Query Plan Cache

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 0.0073, the 54th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 15:17 UTC First seen by agentprime
2. 31 Oct 2026, 15:17 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-q9p4-hw9m-fj2v
• OSV: GHSA-q9p4-hw9m-fj2v
• github.com/apollographql/router/security/advisories/GHSA-q9p4-hw9m-fj2v
• nvd.nist.gov/vuln/detail/CVE-2024-32971
• github.com/apollographql/router/commit/ff9f666598cd17661880fe7fc6e9c9611316e529
• github.com/apollographql/router
• github.com/apollographql/router/releases/tag/v1.45.1
• www.apollographql.com/docs/router/configuration/distributed-caching/#distributed-query-plan-caching

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.