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CVE-2026-108720— phpIPAM through 1.8.3 Missing Authorization in Customers, Locations and NAT Pages

Quick assessment

Affected
phpipam phpipam
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.

phpIPAM 1.8.3 及之前版本存在一个缺失的授权检查漏洞。该漏洞允许已认证的、低权限用户查看受限制的子网和地址信息，原因是 Customer、Location 和 NAT 页面未调用 Subnets::check_permission 进行权限校验。攻击者可以通过访问 objects.php（客户对象页面）、single-location.php（单个位置页面）或 nat_details.php（NAT 详情页面）来获取其无权访问区域内的 IP 地址、CIDR 范围、主机名和 MAC 地址等敏感信息。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
phpipam phpipam ≤ 1.8.3 affected
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I. Basic Information for CVE-2026-108720

Vulnerability Information
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Vulnerability Title
phpIPAM through 1.8.3 Missing Authorization in Customers, Locations and NAT Pages
Source: CVE Program / CVE List V5
Vulnerability Description
phpIPAM through 1.8.3 contains a missing authorization vulnerability that allows authenticated low-privilege users to view restricted subnets and addresses because customer, location and NAT pages skip Subnets::check_permission. Attackers can open customer objects.php, single-location.php or nat_details.php to read IP addresses, CIDRs, hostnames and MAC addresses from sections they cannot access.
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
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
phpipam phpipam 0 ~ 1.8.3 -

II. Public POCs for CVE-2026-108720

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III. Intelligence Information for CVE-2026-108720

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Patches & Fixes for CVE-2026-108720 (2)

Vendor Advisories for CVE-2026-108720 (1)

Mailing List Discussions for CVE-2026-108720 (1)

Vendor Pages for CVE-2026-108720 (1)

Other References for CVE-2026-108720 (1)

IV. Related Vulnerabilities

Same product: phpipam
Same vendor: phpipam
Same weakness: CWE-862

V. Comments for CVE-2026-108720

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