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.
References7
- github.com/phpipam/phpipam
- github.com/phpipam/phpipam/blob/e8010751d491e485acefa5787fb0e51…
- github.com/phpipam/phpipam/blob/e8010751d491e485acefa5787fb0e51…
- github.com/phpipam/phpipam/blob/e8010751d491e485acefa5787fb0e51…
- hackmd.io/@haind/phpipam-tools-cross-section-address-disclosure
- www.vulncheck.com/advisories/phpipam-through-1.8.3-missing-auth…
- hackmd.io/@haind/phpipam-tools-cross-section-address-disclosure
Metrics
- CVSS 3.1
-
4.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 4.0
-
5.3
MEDIUM
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 29 · as of 11 November 2026
- CWE
- CWE-862
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.