CVE-2026-48243: Open ISES Tickets < 3.44.2 Hardcoded WhitePages API Key in wp1.php

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-21 · updated 2026-07-20
Weakness: CWE-798

Description

Open ISES Tickets before 3.44.2 embeds a hardcoded WhitePages reverse-phone API key in wp1.php that is committed to the public source repository. Any actor with read access to the source tree can extract the key and use it to make third-party API calls billed to or rate-limited against the original owner's WhitePages account.

Affected products

Open ISES Tickets: before 3.44.2 — fixed in 3.44.2

How to fix

Upgrade to a fixed version: Open ISES Tickets 3.44.2. Check the vendor advisory for mitigations.

References

https://github.com/openises/tickets/commit/ecfeb406a016766cae81c749e14b5145a9f2dbff
https://github.com/openises/tickets/releases/tag/v3.44.2
https://www.vulncheck.com/advisories/open-ises-tickets-hardcoded-whitepages-api-key-in-wp1-php

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