Is CVE-2025-26240 in the CISA KEV catalog?

No. CVE-2025-26240 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-26240?

CVE-2025-26240 has a CVSS v3 base score of 8.4 (HIGH).

What is the EPSS score for CVE-2025-26240?

CVE-2025-26240 has an EPSS score of 0.39% (31th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-26240

HIGH

8.4

CVSS v3

NVD

Description

In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files.

CWE-120

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.39%probability of exploitation in 30 days

31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

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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 2026-06-22.