CVE-2026-67602: phpIPAM < 1.8.2 Authentication Bypass via REST API Object Cache
phpIPAM before 1.8.2 contains an authentication bypass vulnerability in the REST API that allows unauthenticated attackers to gain full API access by exploiting an insecure object cache keying mechanism. The cache is keyed by lookup value alone without including the searched column, enabling an entry written during an appid lookup to satisfy a subsequent appcode lookup, allowing attackers to use the numeric database row identifier as an API token to read, write, and delete all IP address management records.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
phpIPAMto a version that resolves this vulnerability.Fixed in 1.8.2Patch phpIPAM < 1.8.2 Authentication Bypass via REST API Object Cache
Event History
Frequently Asked Questions
Does exploitation require valid credentials or user interaction?
No. The vulnerability is exploitable by an unauthenticated attacker and requires no user interaction.
What value can be used to obtain API access?
An attacker can use the numeric database row identifier as an API token after abusing the cache-key collision between app_id and app_code lookups.
What actions can an attacker perform through the API?
Successful exploitation provides full API access, including the ability to read, write, and delete IP address management records.
Which versions are affected?
phpIPAM versions before 1.8.2 are affected. Version 1.8.2 is identified as the fixed release.