Go/go.temporal.io/server CVE-2026-5199: low, EPSS 0.32%
Temporal Server: attacker-controlled namespace could signal, delete, and reset workflows or activities in a victim namespace on the same cluster
Action: Upgrade go.temporal.io/server to 1.29.5 or later.
go get go.temporal.io/server@v1.30.3go get go.temporal.io/server@v1.29.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.30.0-143.0 | 1.30.3 | - |
| 0 | 1.29.5 | - |
Fixed versions
| 1.30.3 | 1.29.5 |
Sources
- osv: GHSA-xpg8-3hhp-p7w8
- https://nvd.nist.gov/vuln/detail/CVE-2026-5199
- https://github.com/advisories/GHSA-xpg8-3hhp-p7w8
- https://github.com/temporalio/temporal
- https://github.com/temporalio/temporal/releases/tag/v1.29.5
- https://github.com/temporalio/temporal/releases/tag/v1.30.3
CVE-2026-5199 · published · modified · JSON