What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-11 · updated 2026-10-13
• Weakness: CWE-862

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.

Affected products

• phpipam/phpipam: through 1.8.3

References

• https://github.com/phpipam/phpipam
• https://github.com/phpipam/phpipam/blob/e8010751d491e485acefa5787fb0e518eb948771/app/tools/customers/customer/objects/ipaddresses.php#L69-L110
• https://github.com/phpipam/phpipam/blob/e8010751d491e485acefa5787fb0e518eb948771/app/tools/locations/single-location.php#L129-L195
• https://github.com/phpipam/phpipam/blob/e8010751d491e485acefa5787fb0e518eb948771/app/tools/nat/nat_details.php#L16-L45
• https://hackmd.io/@haind/phpipam-tools-cross-section-address-disclosure
• https://www.vulncheck.com/advisories/phpipam-through-1.8.3-missing-authorization-in-customers-locations-and-nat-pages
• https://hackmd.io/@haind/phpipam-tools-cross-section-address-disclosure

Get alerted when CVE-2026-108720 or the next vulnerability affects your stack