What is CVE-2026-48243?

CVE-2026-48243 is a medium-severity vulnerability in Open Ises Tickets, classified under Use of Hard-coded Credentials. CVSS score: 5.3/10. Published 2026-05-21.

How severe is CVE-2026-48243?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Open Ises Tickets

CVE-2026-48243

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.

Published 2026-05-21 · last modified 2026-07-20.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.9th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

Affected products

Open Ises Tickets — versions 0

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

github.com/openises/tickets/releases/tag/v3.44.2 (release-notes)
github.com/openises/tickets/commit/ecfeb406a016766cae81c749e14b5145a9f2dbff (patch)
www.vulncheck.com/advisories/open-ises-tickets-hardcoded-whitepages-api-key-in-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-48243?: CVE-2026-48243 is a medium-severity vulnerability in Open Ises Tickets, classified under Use of Hard-coded Credentials. CVSS score: 5.3/10. Published 2026-05-21.
How severe is CVE-2026-48243?: Medium severity. CVSS v3 base score is 5.3 out of 10.