Apollo Router vulnerable to Improper Check or Handling of Exceptional Conditions

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 0.0087, the 58th 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-r344-xw3p-2frj
• OSV: GHSA-r344-xw3p-2frj
• github.com/apollographql/router/security/advisories/GHSA-r344-xw3p-2frj
• nvd.nist.gov/vuln/detail/CVE-2023-45812
• github.com/apollographql/router/issues/4013
• github.com/apollographql/router/pull/4014
• github.com/apollographql/router/commit/b917b8c117b46a2d508428c0856f4927dfcfc341
• github.com/apollographql/router

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.