Vulnerability details
CVE-2026-91865
Apache Software Foundation Apache Neethi
Apache Neethi: Crafted policy references cause exponential expansion during normalization leading to denial of service
CVSS 3.1
7.5High
Official description
A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apache Software Foundation | Apache Neethi | v < 3.2.4 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-09-21
- Last updated
- 2026-09-21
- State
- Published
- Assigner (CNA)
- apache
Exploit prediction (EPSS)
0.74%
Probability of exploitation in 30 days
54.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-770Allocation of Resources Without Limits or Throttling