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 |
|---|---|---|---|---|
| 7.7 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0031, the 23rd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 13:33 UTC First seen by agentprime
- 31 Oct 2026, 13:33 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-qgvj-qcf8-xq73
- OSV: GHSA-qgvj-qcf8-xq73
- github.com/backstage/backstage/security/advisories/GHSA-qgvj-qcf8-xq73
- nvd.nist.gov/vuln/detail/CVE-2026-106498
- github.com/backstage/backstage/commit/0b0f6fc89b4eb4872c76a498abbe1dc65998bb6e
- github.com/backstage/backstage/commit/286bfc1f9cc3608a073b41016be302785be385d1
- github.com/backstage/backstage/commit/61a10f19926aeda7f4a32de48d733e6710584634
- github.com/backstage/backstage/commit/99729e925fd2bd40ba210022351a0ee6318e6197
- github.com/backstage/backstage/commit/e786ac309ed2d775daf2309393c015c43902d6f6
- github.com/backstage/backstage
- github.com/backstage/backstage/releases/tag/v1.49.6
- github.com/backstage/backstage/releases/tag/v1.50.5
- github.com/backstage/backstage/releases/tag/v1.51.3
- github.com/backstage/backstage/releases/tag/v1.53.2