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Vulnerability details: VCID-wttc-npgw-v7h2
Vulnerability ID VCID-wttc-npgw-v7h2
Aliases CVE-2026-22747
GHSA-2jrg-rf5x-568g
Summary Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user. This issue affects Spring Security: from 7.0.0 through 7.0.4.
Status Published
Exploitability 0.5
Weighted Severity 7.3
Risk 3.6
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-295 Improper Certificate Validation
CWE-297 Improper Validation of Certificate with Host Mismatch
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 8.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-22747.json
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2026-22747
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-2jrg-rf5x-568g
cvssv3.1 6.8 https://github.com/spring-projects/spring-security
generic_textual MODERATE https://github.com/spring-projects/spring-security
cvssv3.1 6.8 https://github.com/spring-projects/spring-security/commit/88118afb8f9357ae7cc215500a441e89fee701c3
generic_textual MODERATE https://github.com/spring-projects/spring-security/commit/88118afb8f9357ae7cc215500a441e89fee701c3
cvssv3.1 6.8 https://nvd.nist.gov/vuln/detail/CVE-2026-22747
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-22747
cvssv3.1 6.8 https://spring.io/security/cve-2026-22747
generic_textual MODERATE https://spring.io/security/cve-2026-22747
ssvc Track https://spring.io/security/cve-2026-22747
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-22747.json
https://api.first.org/data/v1/epss?cve=CVE-2026-22747
https://github.com/spring-projects/spring-security
https://github.com/spring-projects/spring-security/commit/88118afb8f9357ae7cc215500a441e89fee701c3
https://nvd.nist.gov/vuln/detail/CVE-2026-22747
2460487 https://bugzilla.redhat.com/show_bug.cgi?id=2460487
cve-2026-22747 https://spring.io/security/cve-2026-22747
GHSA-2jrg-rf5x-568g https://github.com/advisories/GHSA-2jrg-rf5x-568g
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-22747.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

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high

none

required

unchanged

changed

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none

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low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://github.com/spring-projects/spring-security
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

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none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://github.com/spring-projects/spring-security/commit/88118afb8f9357ae7cc215500a441e89fee701c3
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:U/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-22747
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:U/C:H/I:H/A:N Found at https://spring.io/security/cve-2026-22747
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:T/P:M/B:A/M:M/D:T/2026-04-22T15:42:14Z/ Found at https://spring.io/security/cve-2026-22747
Exploit Prediction Scoring System (EPSS)
Percentile 0.0945
EPSS Score 0.00031
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:52:53.774142+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/22xxx/CVE-2026-22747.json 38.6.0