Advisory details:
github_osv / GHSA-2jrg-rf5x-568g
| Advisory ID | github_osv/GHSA-2jrg-rf5x-568g |
| Aliases |
CVE-2026-22747
|
| Summary | Spring Security Vulnerable to Unauthorized User Impersonation when Using X.509 Client Certificates 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 | 6.1 |
| Risk | 3.0 |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| System | Score | Found at |
|---|---|---|
| cvssv3.1 | 6.8 | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-2jrg-rf5x-568g/GHSA-2jrg-rf5x-568g.json |
| generic_textual | MODERATE |
| Reference id | Reference type | URL |
|---|---|---|
| https://github.com/spring-projects/spring-security | ||
| https://github.com/spring-projects/spring-security/commit/88118afb8f9357ae7cc215500a441e89fee701c3 | ||
| cve-2026-22747 | Other | https://spring.io/security/cve-2026-22747 |
| CVE-2026-22747 | https://nvd.nist.gov/vuln/detail/CVE-2026-22747 |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| 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 |
There are no SSVC decisions available.