CVE-2026-49284 SimpleSAMLphp SP accepts a response from an unexpected IdP when unsigned `Response/InResponseTo` is combined with a signed assertion lacking `SubjectConfirmationData/InResponseTo`
| Reporter | Title | Published | Views | Family All 18 |
|---|---|---|---|---|
 | CVE-2026-49284 | 17 Jul 202619:17 | – | attackerkb |
 | CVE-2026-49284 | 17 Jul 202619:50 | – | circl |
 | CVE-2026-49284 | 17 Jul 202619:17 | – | cve |
 | CVE-2026-49284 | 17 Jul 202619:17 | – | debiancve |
 | EUVD-2026-45284 | 17 Jul 202619:17 | – | euvd |
 | SimpleSAMLphp SP accepts a response from an unexpected IdP when unsigned `Response/InResponseTo` is combined with a signed assertion lacking `SubjectConfirmationData/InResponseTo` | 2 Jul 202620:47 | – | github |
 | CVE-2026-49284 | 17 Jul 202619:17 | – | mend |
 | Vulnerabilities found in Oracle Communications | 16 Sep 202613:52 | – | ncsc |
 | CVE-2026-49284 | 17 Jul 202620:17 | – | nvd |
 | DEBIAN-CVE-2026-49284 | 17 Jul 202620:17 | – | osv |
10
[
{
"vendor": "simplesamlphp",
"product": "simplesamlphp",
"versions": [
{
"version": "< 2.4.7",
"status": "affected"
},
{
"version": ">= 2.5.0-rc1, < 2.5.2",
"status": "affected"
}
]
}
]Data
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17 Jul 2026 19:17Current
CVSS 3.17.1
EPSS0.00222
SSVC