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Temporal Server: attacker-controlled namespace could signal, delete, and reset workflows or activities in a victim namespace on the same cluster
Temporal Server: attacker-controlled namespace could signal, delete, and reset workflows or activities in a victim namespace on the same cluster
Affected packages
- go.temporal.io/server
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- 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
Structured record: https://osv.dev/vulnerability/GHSA-xpg8-3hhp-p7w8
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