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vuln-cve/data/2026/54xxx/CVE-2026-54599.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-54599",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-15T19:45:23.539Z",
"datePublished": "2026-08-31T20:30:30.913Z",
"dateUpdated": "2026-09-01T14:43:41.741Z"
},
"containers": {
"cna": {
"title": "Wallos: OIDC state parameter never validated — login CSRF / account takeover",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-352",
"lang": "en",
"description": "CWE-352: Cross-Site Request Forgery (CSRF)",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"userInteraction": "ACTIVE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/ellite/Wallos/security/advisories/GHSA-gr2w-m9v4-qm3v",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/ellite/Wallos/security/advisories/GHSA-gr2w-m9v4-qm3v"
},
{
"name": "https://github.com/ellite/Wallos/releases/tag/v4.9.4",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ellite/Wallos/releases/tag/v4.9.4"
}
],
"affected": [
{
"vendor": "ellite",
"product": "Wallos",
"versions": [
{
"version": "< 4.9.4",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-08-31T20:30:30.913Z"
},
"descriptions": [
{
"lang": "en",
"value": "Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.4, login.php generates an OIDC state nonce stored in $_SESSION['oidc_state'], but checksession.php dispatches the OIDC callback without comparing the incoming state against the session value. An attacker can trick a victim into visiting a crafted URL, causing Wallos to exchange the attacker's authorization code and log the victim into the attacker's account. This issue has been patched in version 4.9.4."
}
],
"source": {
"advisory": "GHSA-gr2w-m9v4-qm3v",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/ellite/Wallos/security/advisories/GHSA-gr2w-m9v4-qm3v",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-01T14:43:18.962401Z",
"id": "CVE-2026-54599",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-09-01T14:43:41.741Z"
}
}
]
}
}