A flaw was found in Rancher Manager. The SAML assertion replay protection introduced by the fix for CVE-2026-44946 recorded consumed assertion IDs in a per-process cache, so each replica only detected replays that reached the same pod. In a high-availability deployment, an attacker holding a captured assertion could replay it once against every other replica to obtain additional authenticated sessions as the victim.
This issue affects Rancher: before 2.15.1.
{
"cna_assigner": "suse",
"cwe_ids": [
"CWE-294"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75034.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "2.15.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"original_tag": "v2.15.1",
"range": [
{
"fixed": "8c257d748d23d4812092e28cc92b2a6f3e4dd594"
}
],
"source": "REFERENCES_TAG"
},
{
"cpe": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.15.1"
}
],
"source": "CPE_RANGE"
}
]
}