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Vulnerability details: VCID-z3vj-se4e-hbgw
Vulnerability ID VCID-z3vj-se4e-hbgw
Aliases CVE-2026-40683
GHSA-pfx2-9x9m-7ghx
Summary OpenStack Keystone: LDAP identity backend does not convert enabled attribute to boolean
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
System Score Found at
cvssv3 7.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40683.json
epss 0.00015 https://api.first.org/data/v1/epss?cve=CVE-2026-40683
epss 0.00015 https://api.first.org/data/v1/epss?cve=CVE-2026-40683
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2026-40683
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2026-40683
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2026-40683
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2026-40683
cvssv3.1 7.7 https://bugs.launchpad.net/keystone/+bug/2121152
generic_textual HIGH https://bugs.launchpad.net/keystone/+bug/2121152
ssvc Track https://bugs.launchpad.net/keystone/+bug/2121152
cvssv3.1 7.7 https://bugs.launchpad.net/keystone/+bug/2141713
generic_textual HIGH https://bugs.launchpad.net/keystone/+bug/2141713
ssvc Track https://bugs.launchpad.net/keystone/+bug/2141713
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-pfx2-9x9m-7ghx
cvssv3.1 7.7 https://github.com/openstack/keystone
generic_textual HIGH https://github.com/openstack/keystone
cvssv3.1 7.7 https://nvd.nist.gov/vuln/detail/CVE-2026-40683
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2026-40683
cvssv3.1 7.7 https://review.opendev.org/958205
generic_textual HIGH https://review.opendev.org/958205
ssvc Track https://review.opendev.org/958205
cvssv3.1 7.7 https://www.openwall.com/lists/oss-security/2026/04/14/9
generic_textual HIGH https://www.openwall.com/lists/oss-security/2026/04/14/9
ssvc Track https://www.openwall.com/lists/oss-security/2026/04/14/9
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40683.json
https://api.first.org/data/v1/epss?cve=CVE-2026-40683
https://bugs.launchpad.net/keystone/+bug/2121152
https://bugs.launchpad.net/keystone/+bug/2141713
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-40683
https://github.com/openstack/keystone
https://review.opendev.org/958205
https://www.openwall.com/lists/oss-security/2026/04/14/9
1133884 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1133884
2458472 https://bugzilla.redhat.com/show_bug.cgi?id=2458472
CVE-2026-40683 https://nvd.nist.gov/vuln/detail/CVE-2026-40683
GHSA-pfx2-9x9m-7ghx https://github.com/advisories/GHSA-pfx2-9x9m-7ghx
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40683.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H Found at https://bugs.launchpad.net/keystone/+bug/2121152
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-14T20:14:37Z/ Found at https://bugs.launchpad.net/keystone/+bug/2121152
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H Found at https://bugs.launchpad.net/keystone/+bug/2141713
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-14T20:14:37Z/ Found at https://bugs.launchpad.net/keystone/+bug/2141713
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H Found at https://github.com/openstack/keystone
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2026-40683
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H Found at https://review.opendev.org/958205
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-14T20:14:37Z/ Found at https://review.opendev.org/958205
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H Found at https://www.openwall.com/lists/oss-security/2026/04/14/9
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-14T20:14:37Z/ Found at https://www.openwall.com/lists/oss-security/2026/04/14/9
Exploit Prediction Scoring System (EPSS)
Percentile 0.03195
EPSS Score 0.00015
Published At April 16, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-16T07:45:58.369430+00:00 GHSA Importer Import https://github.com/advisories/GHSA-pfx2-9x9m-7ghx 38.4.0