Description
ORY Hydra before v1.0.0-rc.3+oryOS.9 has Reflected XSS via the oauth2/fallbacks/error error_hint parameter.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 | openSUSE-SU-2026:21483-1 |
| openSUSE Leap 15.6 | govulncheck-vulndb | 0.0.20260326T203309-150000.1.155.2 | SUSE-SU-2026:1135-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/ory/hydra | < 1.4.8 | 1.4.8 | GHSA-7v6r-w4r6-mhch |
| Go | github.com/ory/hydra | all versions | — | GO-2026-4861 |
Advisories 2
- openSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Jul 31, 2026
- SUSE-SU-2026:1135-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Mar 31, 2026
References
- https://drive.google.com/file/d/1-25expUYVfK6vsiCmEabUCuelOP7aUDj/view?usp=drivesdk
- https://www.youtube.com/watch?v=RIyZLeKEC8E
- https://github.com/ory/hydra/blob/master/CHANGELOG.md#v100-rc3oryos9-2018-12-06
- https://hackerone.com/reports/456333
- https://github.com/ory/hydra/commit/9b5bbd48a72096930af08402c5e07fce7dd770f3