CVE-2026-44618
📛 CVE Title
Apache CXF: XXE vulnerability in WS-Transfer functionality
Description
Insecure XML parser configuration in Apache CXF's WS-Transfer module may allow attackers to perform XXE attacks. Users are recommended to upgrade to versions 4.2.1, 4.1.6 or 3.6.11, which fix this issue.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- apache
- CVSS severity
- critical
- CVSS score
- 9.8 / 10
- CVSS vector
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Effective score
- 9.8 / 10 CRITICAL source: CNA overview
- CWE(s)
-
CWE-611 - Reserved
- 2026-05-07
- Published
- 2026-05-22 12:17 UTC
- Last updated
- 2026-05-22 21:26 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/44xxx/CVE-2026-44618.json
- Linked Threat
- CVE-2026-44618 — CVE-2026-44618
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- EPSS score
- 0.0003 (probability of exploitation in next 30 days)
- EPSS percentile
- 8.42% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD / KEV / EPSS data refreshed 2026-05-25 00:21 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-31434 - Assigner
- apache
- Published
- May 22, 2026, 12:17:14 PM
- Updated
- May 22, 2026, 9:26:21 PM
- EUVD base score (CVSS 3.1)
-
5.3 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - EUVD-reported EPSS
- 0.1700
- Vendors
- Apache Software Foundation
- Products
-
Apache CXF (4.0.0 <4.1.6)Apache CXF (0 <3.6.11)Apache CXF (4.2.0 <4.2.1)
- Aliases
-
GHSA-vmm5-fjgx-2jhp
ENISA description: Insecure XML parser configuration in Apache CXF's WS-Transfer module may allow attackers to perform XXE attacks. Users are recommended to upgrade to versions 4.2.1, 4.1.6 or 3.6.11, which fix this issue.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Apache Software Foundation | Apache CXF |
4.2.0 (affected),
4.0.0 (affected),
0 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
- https://lists.apache.org/thread/c7vb015f8ljmjl44030mn0yfq71f7sd7 vendor-advisory
Web references (5)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://www.first.org/epss/ tenable:www.first.org
- http://www.openwall.com/lists/oss-security/2026/05/22/8 tenable:www.openwall.com
- https://lists.apache.org/thread/c7vb015f8ljmjl44030mn0yfq71f7sd7 tenable:lists.apache.org
- https://nvd.nist.gov/vuln/detail/CVE-2026-44618 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-44618 tenable:www.cve.org
Remediations (10)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blackswan-cybersecurity.com
Cloud Files API activity originating outside legitimate OneDrive/sync processes. Mitigation Steps: Apply all Windows updates immediately (monitor MSRC for an emergency RedSun-specific patch . None released as of April 17, 2026 ). Supplement Defender with a secondary EDR solution (e.g., Huntress) capable of detecting Defender bypasses.
2026-05-26 03:00 UTC -
web:blogs.oracle.com
For more information about the Critical Patch Update program, see the security vulnerability remediation practices page located on the Oracle Trust Center.
2026-05-26 03:00 UTC -
web:nvd.nist.gov
An official website of the United States government Here's how you know
2026-05-26 03:00 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-26 03:00 UTC -
web:support.esri.com
The C version of this patch also includes additional bug fixes not related to security, refer to the updated Issues Addressed with this Patch section for the latest details. Important Note - April 20, 2026 : The 11.4 version of the Portal for ArcGIS Security 2026 Update 1 Patch is now available.
2026-05-26 03:00 UTC -
web:thehackernews.com
New ClickFix variant maps WebDAV drive to run trojanized WorkFlowy app, enabling stealth C2 beacon and payload delivery.
2026-05-26 03:00 UTC -
web:www.crowdstrike.com
Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.
2026-05-26 03:00 UTC -
web:www.securityweek.com
Oracle on Tuesday announced the release of 481 new security patches as part of its April 2026 Critical Patch Update (CPU). Across the 28 product families that received security updates, more than 300 patches address vulnerabilities that are remotely exploitable without authentication.
2026-05-26 03:00 UTC -
web:www.tenable.com
Oracle addresses 241 CVEs in its April Critical Patch Update, the second quarterly update of 2026 with 481 patches, including 34 critical updates.
2026-05-26 03:00 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-26 03:00 UTC
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.
Raw JSON
The full cvelistV5 record. Download as CVE-2026-44618.json.
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-44618",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-22T13:07:11.819441Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-22T13:07:31.990Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2026-05-22T21:26:21.841Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/05/22/8"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://repo.maven.apache.org/maven2",
"defaultStatus": "unaffected",
"packageName": "org.apache.cxf:cxf-rt-ws-transfer",
"product": "Apache CXF",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThan": "4.2.1",
"status": "affected",
"version": "4.2.0",
"versionType": "semver"
},
{
"lessThan": "4.1.6",
"status": "affected",
"version": "4.0.0",
"versionType": "semver"
},
{
"lessThan": "3.6.11",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Credit to IcySun (icysun@qq.com), \u5e7f\u4e1c\u4e1c\u65b9\u601d\u7ef4\u79d1\u6280\u6709\u9650\u516c\u53f8"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Insecure XML parser configuration in Apache CXF's WS-Transfer module may allow attackers to perform XXE attacks.<br>Users are recommended to upgrade to versions 4.2.1, 4.1.6 or 3.6.11, which fix this issue."
}
],
"value": "Insecure XML parser configuration in Apache CXF's WS-Transfer module may allow attackers to perform XXE attacks.\nUsers are recommended to upgrade to versions 4.2.1, 4.1.6 or 3.6.11, which fix this issue."
}
],
"metrics": [
{
"other": {
"content": {
"text": "important"
},
"type": "Textual description of severity"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-611",
"description": "CWE-611 Improper Restriction of XML External Entity Reference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-22T12:17:14.591Z",
"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"shortName": "apache"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://lists.apache.org/thread/c7vb015f8ljmjl44030mn0yfq71f7sd7"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Apache CXF: XXE vulnerability in WS-Transfer functionality",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"assignerShortName": "apache",
"cveId": "CVE-2026-44618",
"datePublished": "2026-05-22T12:17:14.591Z",
"dateReserved": "2026-05-07T09:19:11.328Z",
"dateUpdated": "2026-05-22T21:26:21.841Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}