CVE-2021-29652
MEDIUM6.1EPSS 0.18%pomerium_signature is not verified in middleware in github.com/pomerium/pomerium
Published: 5/21/2021Modified: 3/13/2026
Description
### Impact Some API endpoints under /.pomerium/ do not verify parameters with pomerium_signature. This could allow modifying parameters intended to be trusted to Pomerium. The issue mainly affects routes responsible for sign in/out, but does not introduce an authentication bypass. ### Specific Go Packages Affected github.com/pomerium/pomerium/authenticate ### Patches Patched in v0.13.4 ### For more information If you have any questions or comments about this advisory * Open an issue in [pomerium](http://github.com/pomerium/pomerium) * Email us at [[email protected]](mailto:[email protected])
Affected packages (2)
- Go/github.com/pomerium/pomerium>= 0.10.0, < 0.13.4
- Go/github.com/pomerium/pomerium>= 0.10.0, < 0.13.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |