Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Strawberry GraphQL versions from 0.217.0 before 0.326.1 are affected. A custom permission whose has_permission is a plain def returning an awaitable is treated as allowing access, so a protected field with a synchronous resolver can run even when the permission should deny it. Exploitation depends on the application using that permission shape, and the source does not describe any attacker-side requirements beyond sending a request to the affected field. Upgrade to version 0.326.1, which now raises an error instead of granting access.
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
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0045, the 39th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:08 UTC First seen by agentprime
- 31 Oct 2026, 14:08 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-pfvf-fwfp-25mp
- OSV: GHSA-pfvf-fwfp-25mp
- github.com/strawberry-graphql/strawberry/security/advisories/GHSA-pfvf-fwfp-25mp
- nvd.nist.gov/vuln/detail/CVE-2026-107728
- github.com/strawberry-graphql/strawberry/pull/4605
- github.com/strawberry-graphql/strawberry/commit/2ebb79796c0e5ebb43cae1abd2b5a21363b1c00e
- github.com/strawberry-graphql/strawberry
- github.com/strawberry-graphql/strawberry/releases/tag/0.326.1