CVE-2026-91863
CVSS v3
7.5
HIGH
EPSS Score
0.8 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A specially crafted WS-Policy document with deeply nested policy elements can bypass Neethi's nesting-depth limit and exhaust the thread stack, crashing the parser (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.
Technical details
- Published
- 2026-09-21
- Last Modified
- 2026-09-21
Frequently asked questions
What is CVE-2026-91863?
A specially crafted WS-Policy document with deeply nested policy elements can bypass Neethi's nesting-depth limit and exhaust the thread stack, crashing the parser (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.
Is CVE-2026-91863 actively exploited?
Active exploitation of CVE-2026-91863 has not been confirmed. Its EPSS score was 0.8% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-91863?
CVE-2026-91863 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2026-91863 affecting your environment?
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