Is CVE-2026-48243 in the CISA KEV catalog?

No. CVE-2026-48243 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-48243?

CVE-2026-48243 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-48243?

CVE-2026-48243 has an EPSS score of 0.22% (13th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-48243?

No published fix for CVE-2026-48243 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-48243

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-798Hard-coded Credentials

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.22%probability of exploitation in 30 days

13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

Other references3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-21.