What is CVE-2026-8656?

CVE-2026-8656 is a medium-severity vulnerability in Jsondiffpatch, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-16.

How severe is CVE-2026-8656?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Jsondiffpatch

CVE-2026-8656

Versions of the package jsondiffpatch before 0.7.6 are vulnerable to Cross-site Scripting (XSS) via the annotated formatter due to improper sanitization of JSON values and property names. If an application compares untrusted JSON/object da…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

N/a Jsondiffpatch — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

report@snyk.io
report@snyk.io
report@snyk.io

Frequently asked questions

What is CVE-2026-8656?: CVE-2026-8656 is a medium-severity vulnerability in Jsondiffpatch, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-16.
How severe is CVE-2026-8656?: Medium severity. CVSS v3 base score is 6.1 out of 10.