01 Record
CVE-2026-73666
OpenChoreo: Unauthenticated Backstage developer-portal API exposes OpenChoreo catalog data, scaffolder logs, and allows unauthenticated catalog write/delete
HighPUBLISHEDCNA: GitHub_M
CNA base score8.2 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
02 Description
OpenChoreo: Unauthenticated Backstage developer-portal API exposes OpenChoreo catalog data, scaffolder logs, and allows unauthenticated catalog write/delete
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.67% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 51.5% of scored records. A rank, not a probability.
- NVD base score
- 8.2 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-08.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-13 21:40Z2 MO AGO
- Last updated
- 2026-08-14 18:06Z2 MO AGO
- Reserved
- 2026-08-13
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.2)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
- Weaknesses
- CWE-306Missing Authentication for Critical FunctionBase
- Data version
- 5.2
- Document digest
- ad4bf0bf151090a3f024ad1dcf028093f2e27150c0c96d4983982b6c4cf6100d
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/openchoreo/openchoreo/security/advisories/GHSA-v7qx-mqhq-grvh
- github.comhttps://github.com/openchoreo/backstage-plugins/pull/709
- github.comhttps://github.com/openchoreo/backstage-plugins/pull/712
- github.comhttps://github.com/openchoreo/backstage-plugins/pull/713
- github.comhttps://github.com/openchoreo/backstage-plugins/pull/716
- github.comhttps://github.com/openchoreo/backstage-plugins/commit/114a215689924b917da5fd28c56e679aaccaef07
- github.comhttps://github.com/openchoreo/backstage-plugins/commit/dfa3fc8bd1ffef1346442c891e3e3dd54bc26501
- github.comhttps://github.com/openchoreo/backstage-plugins/commit/f6df89c15834506902b2f706a9e8fbe1f6ef1474
- github.comhttps://github.com/openchoreo/backstage-plugins/commit/fdaceeb737938e830c48a150d5bec24f5f487e52
- github.comhttps://github.com/openchoreo/backstage-plugins/releases/tag/v1.0.4
- github.comhttps://github.com/openchoreo/backstage-plugins/releases/tag/v1.1.4
- github.comhttps://github.com/openchoreo/backstage-plugins/releases/tag/v1.2.1