CVE-2026-73666
OpenChoreo: Unauthenticated Backstage developer-portal API exposes OpenChoreo catalog data, scaffolder logs, and allows unauthenticated catalog write/delete
- 8.2HighCVSS base score
- 0.68%Exploitation in 30 daysEPSS · top 47% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
OpenChoreo is a developer platform for Kubernetes. Prior to 1.0.4, 1.1.4, and 1.2.1, the OpenChoreo Backstage backend hardcoded backend.auth.dangerouslyDisableDefaultAuthPolicy and auth.providers.guest.dangerouslyAllowOutsideDevelopment to true, exposing /api/* without authentication and allowing unauthenticated catalog reads, scaffolder log reads, and catalog location creation or deletion. This issue is fixed in versions 1.0.4, 1.1.4, and 1.2.1.
Timeline
ID reserved
By GitHub_M
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | High8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
| NVDNVD · Deferred | 3.1 | High8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.68% · top 47% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.2.
Affected products
openchoreo · backstage-plugins
- affected < 1.0.4
- affected >= 1.1.0, < 1.1.4
- affected >= 1.2.0-rc.1, < 1.2.1
References
References12
- https://github.com/openchoreo/openchoreo/security/advisories/GHSA-v7qx-mqhq-grvh (opens in a new tab)x_refsource_CONFIRM
- https://github.com/openchoreo/backstage-plugins/pull/709 (opens in a new tab)x_refsource_MISC
- https://github.com/openchoreo/backstage-plugins/pull/712 (opens in a new tab)x_refsource_MISC
- https://github.com/openchoreo/backstage-plugins/pull/713 (opens in a new tab)x_refsource_MISC
- https://github.com/openchoreo/backstage-plugins/pull/716 (opens in a new tab)x_refsource_MISC
- https://github.com/openchoreo/backstage-plugins/commit/114a215689924b917da5fd28c56e679aaccaef07 (opens in a new tab)x_refsource_MISC
- https://github.com/openchoreo/backstage-plugins/commit/dfa3fc8bd1ffef1346442c891e3e3dd54bc26501 (opens in a new tab)x_refsource_MISC
- https://github.com/openchoreo/backstage-plugins/commit/f6df89c15834506902b2f706a9e8fbe1f6ef1474 (opens in a new tab)x_refsource_MISC
- https://github.com/openchoreo/backstage-plugins/commit/fdaceeb737938e830c48a150d5bec24f5f487e52 (opens in a new tab)x_refsource_MISC
- https://github.com/openchoreo/backstage-plugins/releases/tag/v1.0.4 (opens in a new tab)x_refsource_MISC
- https://github.com/openchoreo/backstage-plugins/releases/tag/v1.1.4 (opens in a new tab)x_refsource_MISC
- https://github.com/openchoreo/backstage-plugins/releases/tag/v1.2.1 (opens in a new tab)x_refsource_MISC
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-58543 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-73666)Record last updated .