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CVE-2026-16652 Temporal Server Schedule exclusion search can cause excessive CPU consumption

🗓️ 21 Sep 2026 11:23:47Reported by TemporalType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

Authenticated DoS in Temporal Server via Schedule exclusion search causing excessive CPU.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-16652
21 Sep 202611:23
–cve
euvd
EUVD
EUVD-2026-83884
21 Sep 202611:23
–euvd
mend
Mend
CVE-2026-16652
21 Sep 202611:23
–mend
nvd
NVD
CVE-2026-16652
21 Sep 202612:17
–nvd
ptsecurity
Positive Technologies
PT-2026-96073
21 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-16652: Unchecked Input for Loop Condition
21 Sep 202600:00
–rapid7
snyk
Snyk
Unchecked Input for Loop Condition
21 Sep 202612:40
–snyk
vulnrichment
Vulnrichment
CVE-2026-16652 Temporal Server Schedule exclusion search can cause excessive CPU consumption
21 Sep 202611:23
–vulnrichment
[
  {
    "vendor": "Temporal Technologies, Inc.",
    "product": "Temporal Server",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "go.temporal.io/server",
    "repo": "https://github.com/temporalio/temporal",
    "modules": [
      "Schedules"
    ],
    "programFiles": [
      "service/worker/scheduler/spec.go"
    ],
    "programRoutines": [
      {
        "name": "CompiledSpec.GetNextTime"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "1.17.0",
        "lessThanOrEqual": "1.29.7",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "1.30.0",
        "lessThan": "1.30.7",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "1.31.0",
        "lessThan": "1.31.3",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:2.3:a:temporal:temporal:*:*:*:*:*:*:*:*"
    ]
  }
]

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21 Sep 2026 11:23Current
CVSS 47.1
EPSS0.00268
SSVC
44