org.apache.neethi/neethi: Apache Neethi: Denial of Service via crafted WS-Policy documents
cve CVE-2026-91864 2 sources, 2 claims · Watch
Red Hat writes:
org.apache.neethi/neethi: Apache Neethi: Denial of Service via crafted WS-Policy documents the claim
org.apache.neethi/neethi: Apache Neethi: Denial of Service via crafted WS-Policy documents the claim
- Severity
- HIGH NVDimportant Red Hat
- CVSS
- 7.5 NVD7.5 Red Hat
- Fixed in
- 3.2.4 NVD
- Vendor
- Apache Software Foundation NVD
- Product
- Apache Neethi NVD
- CWE
- CWE-770 NVDCWE-770 Red Hat
How far exploitation has got
- No public code known
- Proof of concept
- Proof of concept, verified
- A Metasploit module
- Exploited in the wild
- Used in ransomware campaigns
Timeline
| 2026-09-21 | first spoke of it: A specially crafted WS-Policy document can pack unlimited content inside a policy assertion, which Neethi copies into memory without counting it against its size limits, exhausting the heap (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue. | NVD |
| 2026-09-21 | first spoke of it: org.apache.neethi/neethi: Apache Neethi: Denial of Service via crafted WS-Policy documents | Red Hat |
What it is to other things
| affects | apache/neethi NVD |
| made_by | apache NVD |
In words only, so not counted until a person confirms one:
| made_by | apache_software_foundationNVD says “Apache Software Foundation” |
| affects | apache_software_foundation/apache_neethiNVD says “Apache Software Foundation · Apache Neethi” |
Every value, with what each source said and its receipt
| Property | Source | Said | Means here | ||||
|---|---|---|---|---|---|---|---|
| Automatable automatable | NVD | yes An attacker can reliably run all of the kill chain's first four steps without a person. receipt
What the source handed over{
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"defaultStatus": "unaffected",
"packageName": "org.apache.neethi:neethi",
"product": "Apache Neethi",
"vendor": "Apache Software Foundation",
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}
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"lastModified": "2026-09-25T13:09:39.500",
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"type": "Secondary"
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}
} | — | ||||
| CVSS cvss | NVD | 7.5receipt
What the source handed over{
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"userInteraction": "NONE",
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} | — | ||||
| CVSS cvss | Red Hat | 7.5receipt
What the source handed over{
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"CWE": "CWE-770",
"advisories": [],
"affected_packages": [],
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"cvss_scoring_vector": null,
"package_state": null,
"public_date": "2026-09-21T11:26:20Z",
"resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-91864.json",
"severity": "important"
} | — | ||||
| CVSS vector cvss_vector | NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hreceipt
What the source handed over{
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| CVSS vector cvss_vector | Red Hat | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hreceipt
What the source handed over{
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"severity": "important"
} | — | ||||
| CWE cwe | NVD | CWE-770receipt
What the source handed over{
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| CWE cwe | Red Hat | CWE-770receipt
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"severity": "important"
} | — | ||||
| Exploitation exploitation | NVD | none No evidence of exploitation, and no public proof of concept. receipt
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} | — | ||||
| Fixed in fixed_in | NVD | 3.2.4receipt
What the source handed over{
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| Technical impact technical_impact | NVD | partial The attacker gains limited control, or limited information. receipt
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| Vendor vendor | NVD | Apache Software Foundationreceipt
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Every claim, by kind
vulnerability
| org.apache.neethi/neethi: Apache Neethi: Denial of Service via crafted WS-Policy documents zetlyn/cve-redhat · 2026-09-21 | cvss 7.5 cvss_vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H cwe CWE-770 severity important | source |
| A specially crafted WS-Policy document can pack unlimited content inside a policy assertion, which Neethi copies into memory without counting it against its size limits, exhausting the heap (denial of service).
Users are recommended to upgrade to version 3.2.4, which fixes this issue. zetlyn/cve-nvd · 2026-09-21 | automatable yes cvss 7.5 cvss_vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H cwe CWE-770 exploitation none fixed_in 3.2.4 product Apache Neethi severity HIGH status Analyzed technical_impact partial vendor Apache Software Foundation | source |