CVE-2026-63466
1 advisory.
npm/unleash-server CVE-2026-63466: medium 4.1, EPSS 0.32%
Unleash: Global Mustache.escape override disables HTML escaping process-wide, enabling Slack/Teams link-injection via unrestricted username
Action: Upgrade unleash-server to 8.0.3 or later.
npm i unleash-server@8.0.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 8.0.3 | - |
Fixed versions
| 8.0.3 |
Sources
- osv: GHSA-w4mq-xh27-6xpx
- https://github.com/Unleash/unleash/security/advisories/GHSA-w4mq-xh27-6xpx
- https://github.com/Unleash/unleash/commit/002012cfdbedd2e9b7db9dc83b9f549f761db22e
- https://github.com/Unleash/unleash
- https://github.com/Unleash/unleash/releases/tag/v8.0.3
CVE-2026-63466 · published · modified · JSON