CVE-2023-3485— Insecure Default Authorization in Temporal Server
Quick assessment
Affected
Temporal Technologies Inc. Temporal Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Temporal Server是Temporal公司的一个微服务编排平台。 Temporal Server 存在安全漏洞，该漏洞源于默认设置不安全。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-3485
Vulnerability Information
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Vulnerability Title
Insecure Default Authorization in Temporal Server
Source: CVE Program / CVE List V5
Vulnerability Description
Insecure defaults in open-source Temporal Server before version 1.20 on all platforms allows an attacker to craft a task token with access to a namespace other than the one specified in the request. Creation of this task token must be done outside of the normal Temporal server flow. It requires the namespace UUID and information from the workflow history for the target namespace. Under these conditions, it is possible to interfere with pending tasks in other namespaces, such as marking a task failed or completed.
If a task is targeted for completion by the attacker, the targeted namespace must also be using the same data converter configuration as the initial, valid, namespace for the task completion payload to be decoded by workers in the target namespace.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Temporal Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Temporal Server是Temporal公司的一个微服务编排平台。 Temporal Server 存在安全漏洞，该漏洞源于默认设置不安全。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Temporal Technologies Inc. | Temporal Server | 1.9.1 ~ 1.20 | - |
|
II. Public POCs for CVE-2023-3485
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-3485 (1)
IV. Related Vulnerabilities
Same product: Temporal Server
-
CVE-2026-89140
Temporal Server internal completion callbacks are not bound -
CVE-2026-104355
Temporal Server applies inbound namespace replication from a -
CVE-2026-89139
Temporal Server worker deployment compute provider executes -
CVE-2026-87858
Temporal Server completion callback source header can direct -
CVE-2026-16652
Temporal Server Schedule exclusion search can cause excessiv
Same weakness: CWE-863
-
CVE-2026-89072
MOVEit Transfer Authorization Flaw in Certificate Management -
CVE-2026-73126
Gitea private workflow badge token scope bypass -
CVE-2026-71184
Gitea fork workflow approval bypass through review events -
CVE-2026-70406
Gitea private comparison disclosure with public-only tokens -
CVE-2026-70400
Gitea private migration creation with public-only tokens
V. Comments for CVE-2023-3485
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