CVE-2026-46689

🗓️ 10 Jun 2026 20:28:44Reported by GitHub_MType

cve🔗 web.nvd.nist.gov👁 18 Views🌐 WEB

Unauthenticated GET on Kanidm scimv1 with a filter causes stack overflow and abort; fixed in 1.9.3.

Reporter	Title	Published	Views	Family All 9
Circl	CVE-2026-46689	30 Apr 202602:48	–	circl
CNNVD	Kanidm 安全漏洞	10 Jun 202600:00	–	cnnvd
Cvelist	CVE-2026-46689 Kanidm: Unauthenticated process abort via SCIM filter stack exhaustion	10 Jun 202620:28	–	cvelist
EUVD	EUVD-2026-36133	10 Jun 202620:28	–	euvd
Github Security Blog	scim_proton and kanidm_proto have an authenticated process abort via SCIM filter stack exhaustion	6 May 202623:38	–	github
NVD	CVE-2026-46689	10 Jun 202622:17	–	nvd
OSV	GHSA-R5FR-9GMV-JGGH scim_proton and kanidm_proto have an authenticated process abort via SCIM filter stack exhaustion	6 May 202623:38	–	osv
Positive Technologies	PT-2026-41980	6 May 202600:00	–	ptsecurity
Vulnrichment	CVE-2026-46689 Kanidm: Unauthenticated process abort via SCIM filter stack exhaustion	10 Jun 202620:28	–	vulnrichment

Vulners

Node

kanidm kanidmRange<1.9.3

[
  {
    "vendor": "kanidm",
    "product": "kanidm",
    "versions": [
      {
        "version": "< 1.9.3",
        "status": "affected"
      }
    ]
  }
]

Source	Link
github	www.github.com/kanidm/kanidm/releases/tag/v1.9.3
github	www.github.com/kanidm/kanidm/security/advisories/GHSA-r5fr-9gmv-jggh

Parameter	Position	Path	Description	CWE
filter	query param	/scim/v1/...	Unauthenticated GET to /scim/v1/... with a long ?filter= payload can crash kanidm prior to 1.9.3 due to stack overflow in the parser (PRNG stack guard overrun).	CWE-248, CWE-674, CWE-400

17 Jun 2026 10:53Current

5.4Medium risk

Vulners AI Score5.4

CVSS 48.7

EPSS0.00317

SSVC

unauthenticated access scim filter overflow stack overflow kanidm version 1.9.3