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CVE-2026-91993— Jpom through 2.11.12 Workspace Isolation Bypass via /build/branch-list

Quick assessment

Affected
dromara Jpom
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.

Dromara Jpom是中国Dromara组织的一款低侵入式在线构建、自动部署与项目监控运维软件。 Dromara Jpom 2.11.12及之前版本存在授权问题漏洞，该漏洞源于在/build/branch-list端点解析repositoryId时未验证工作区所有权，可能导致已认证用户访问其他工作区的仓库，枚举仓库存在性、确定仓库类型并使用其他工作区存储的凭据执行git ls-remote命令。

CVSS 4.3 · Medium EPSS 0.34% · P28

Affected Version Matrix 1

VendorProduct Version RangeStatus
dromara Jpom ≤ 2.11.12 affected
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I. Basic Information for CVE-2026-91993

Vulnerability Information
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Vulnerability Title
Jpom through 2.11.12 Workspace Isolation Bypass via /build/branch-list
Source: CVE Program / CVE List V5
Vulnerability Description
Jpom through 2.11.12 fails to validate workspace ownership when resolving repositoryId on the /build/branch-list endpoint, allowing authenticated users to access repositories from other workspaces. Attackers can submit repository identifiers from different workspaces to enumerate repository existence, determine repository type, and execute git ls-remote commands using other workspaces' stored credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Dromara Jpom 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dromara Jpom是中国Dromara组织的一款低侵入式在线构建、自动部署与项目监控运维软件。 Dromara Jpom 2.11.12及之前版本存在授权问题漏洞，该漏洞源于在/build/branch-list端点解析repositoryId时未验证工作区所有权，可能导致已认证用户访问其他工作区的仓库，枚举仓库存在性、确定仓库类型并使用其他工作区存储的凭据执行git ls-remote命令。
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
dromara Jpom 0 ~ 2.11.12 -

II. Public POCs for CVE-2026-91993

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III. Intelligence Information for CVE-2026-91993

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Vendor Advisories for CVE-2026-91993 (1)

Vendor Pages for CVE-2026-91993 (1)

Other References for CVE-2026-91993 (1)

IV. Related Vulnerabilities

Same product: Jpom
Same vendor: dromara
Same weakness: CWE-639