XWiki Platform is a generic wiki platform. Versions prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17 allow access to read configuration files by using URLs such as http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg&minify=false, leading to Path Traversal. The vulnerability is can be exploited via resources parameter the ssx and jsx endpoints by using leading slashes. This issue has been patched in 18.1.0-rc-1, 17.10.3, 17.4.9, 16.10.17.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23734.json",
"cwe_ids": [
"CWE-23"
],
"cna_assigner": "GitHub_M"
}{
"source": [
"AFFECTED_FIELD",
"REFERENCES"
],
"extracted_events": [
{
"introduced": "4.2-milestone-2"
},
{
"fixed": "16.10.17"
},
{
"introduced": "17.0.0-rc-1"
},
{
"fixed": "17.4.9"
},
{
"introduced": "17.5.0"
},
{
"fixed": "17.10.3"
},
{
"introduced": "18.0.0-rc-1"
},
{
"fixed": "18.1.0-rc-1"
}
]
}"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-23734.json"
[
{
"target": {
"file": "xwiki-commons-core/xwiki-commons-classloader/xwiki-commons-classloader-api/src/test/java/org/xwiki/classloader/internal/ClassLoaderUtilsTest.java"
},
"deprecated": false,
"digest": {
"line_hashes": [
"2948023592146722606491836670185018653",
"274104245728058916856442530221646087902",
"138909001934265186495120935438141488604",
"189722264989612013457392855371978334318",
"325443459546169335721702422478700535511",
"248308437212831236273076095235174256875",
"41782896662997759645816495766191793731",
"188711983414259152124599187542176373177"
],
"threshold": 0.9
},
"id": "CVE-2026-23734-12dea3f1",
"source": "https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf",
"signature_version": "v1",
"signature_type": "Line"
},
{
"target": {
"file": "xwiki-commons-core/xwiki-commons-classloader/xwiki-commons-classloader-api/src/main/java/org/xwiki/classloader/internal/ClassLoaderUtils.java"
},
"deprecated": false,
"digest": {
"line_hashes": [
"308989672931439701215515641288251888827",
"156634038738375471232741595136121852381",
"50227681565533930959011950212750396681",
"160201200821243622785031614106229528724",
"175225849133164330438125518539838979339",
"249366572244995496268506381131438116119",
"301035959686307071156626950511214637879",
"51077397778220341750957244371873746038",
"270872738632402461207564462793543829467",
"77959831762428945948369470785563242808",
"157791561003054887425238913442336212630"
],
"threshold": 0.9
},
"id": "CVE-2026-23734-6b1fedcf",
"source": "https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf",
"signature_version": "v1",
"signature_type": "Line"
},
{
"target": {
"file": "xwiki-commons-core/xwiki-commons-classloader/xwiki-commons-classloader-api/src/test/java/org/xwiki/classloader/internal/ClassLoaderUtilsTest.java",
"function": "getResource"
},
"deprecated": false,
"digest": {
"function_hash": "28893803558754679635221987699601855831",
"length": 1000.0
},
"id": "CVE-2026-23734-81b567d6",
"source": "https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf",
"signature_version": "v1",
"signature_type": "Function"
},
{
"target": {
"file": "xwiki-commons-core/xwiki-commons-classloader/xwiki-commons-classloader-api/src/test/java/org/xwiki/classloader/internal/ClassLoaderUtilsTest.java",
"function": "getResourceAsStream"
},
"deprecated": false,
"digest": {
"function_hash": "148662974130918769542307519163597290942",
"length": 1002.0
},
"id": "CVE-2026-23734-86ff1272",
"source": "https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf",
"signature_version": "v1",
"signature_type": "Function"
},
{
"target": {
"file": "xwiki-commons-core/xwiki-commons-classloader/xwiki-commons-classloader-api/src/main/java/org/xwiki/classloader/internal/ClassLoaderUtils.java",
"function": "resolveResourceName"
},
"deprecated": false,
"digest": {
"function_hash": "77918730999879680585106513262093506912",
"length": 640.0
},
"id": "CVE-2026-23734-b05e300f",
"source": "https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf",
"signature_version": "v1",
"signature_type": "Function"
}
]
"2026-06-20T09:55:59Z"