CVE-2026-48089— l3montree-dev devguard 授权问题漏洞
一分钟漏洞结论
影响对象
l3montree-dev devguard
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
l3montree-dev devguard是l3montree-dev的边缘视频存储设备。 L3montree devguard 1.4.2之前版本存在授权问题漏洞，该漏洞源于授权问题，可能导致已认证用户可在拥有公共资产的API实例上创建、更新、重新应用和删除VEX规则以及其他漏洞分类写入端点。
可能的 ATT&CK 技术 1 AI
T1530 · Data from Cloud Storage影响版本矩阵 1
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| l3montree-dev | devguard | < 1.4.2 |
affected |
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一、 漏洞 CVE-2026-48089 基础信息
漏洞信息
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Vulnerability Title
DevGuard has improper authorization on public assets
来源: CVE Program / CVE List V5
Vulnerability Description
DevGuard provides vulnerability management for the full software supply chain. Prior to 1.4.2, on a DevGuard API instance with one or more public assets, any authenticated user — including users from a different organization with no membership or role in the affected org/project — can create, update, reapply, and delete VEX rules on those public assets. The same flaw affects the other vulnerability-triage write endpoints exposed under a public asset, including VEX rule create / update / reapply / delete; dependency-vuln event creation (accept / reject / mitigate decisions), batch event creation, vuln sync, and mitigation; license risk creation; external reference writes; and/or artifact creation and license refresh. The attacker needs a valid account on the instance, but no membership in the victim organization, project, or asset is required. Version `v1.4.2`contains a patch. As a workaround, make affected assets non-public. In the asset settings, switch visibility from public to private. This removes the public-read exemption in the access-control middleware and restores correct authorization on all write endpoints for that asset. Downstream consumers that previously relied on the public `vex.json` / `sbom.json` endpoints will need to be granted explicit access or must receive an exported file version until the patched release is deployed.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
l3montree-dev devguard 授权问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
l3montree-dev devguard是l3montree-dev的边缘视频存储设备。 L3montree devguard 1.4.2之前版本存在授权问题漏洞，该漏洞源于授权问题，可能导致已认证用户可在拥有公共资产的API实例上创建、更新、重新应用和删除VEX规则以及其他漏洞分类写入端点。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| l3montree-dev | devguard | < 1.4.2 | - |
|
二、漏洞 CVE-2026-48089 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-48089 补丁与修复 (1)
CVE-2026-48089 厂商安全公告 (1)
IV. Related Vulnerabilities
Same product: devguard
Same vendor: l3montree-dev
V. Comments for CVE-2026-48089
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