CVE-2026-47838

highEPSS 0.002 · 8 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.19% (8th) EPSS

CVSS 8.1 · high

Is it mine?

40 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · scored 2026-10-18

SubjectDnX509PrincipalExtractor 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. Affected versions: Spring Security 5.7.0 through 5.7.24; 5.8.0 through 5.8.26; 6.3.0 through 6.3.17; 6.4.0 through 6.4.17; 6.5.0 through 6.5.10.

cvss

Technical severity, 0–10. One row per scoring source.

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.1

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 5.2

v3.16.8mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.16.8mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · security@vmware.comexploitability 1.6 · impact 5.2

v3.16.8mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · OSV

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USCWE-287US

affected products (40)

Products and version ranges known to be affected.

Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Atlassian Atlassian Bamboo Data Center LTS <10.2.22≤ Data Center LTS <10.2.22cert_bundDE
Atlassian Atlassian Bamboo Data Center LTS <12.1.10≤ Data Center LTS <12.1.10cert_bundDE
Atlassian Atlassian Bitbucket Data Center <10.4.2≤ Data Center <10.4.2cert_bundDE
Atlassian Atlassian Bitbucket Data Center LTS <10.2.6≤ Data Center LTS <10.2.6cert_bundDE
Atlassian Atlassian Bitbucket Data Center LTS <9.4.23≤ Data Center LTS <9.4.23cert_bundDE
Atlassian Atlassian Confluence Data Center LTS <10.2.15≤ Data Center LTS <10.2.15cert_bundDE
Atlassian Atlassian Confluence Data Center LTS <9.2.23≤ Data Center LTS <9.2.23cert_bundDE
Atlassian Atlassian Crucible <4.9.13< 4.9.13cert_bundDE
Atlassian Atlassian Fisheye <4.9.13< 4.9.13cert_bundDE
Atlassian Atlassian Jira Data Center LTS <10.3.24≤ Data Center LTS <10.3.24cert_bundDE
Atlassian Atlassian Jira Data Center LTS <11.3.10≤ Data Center LTS <11.3.10cert_bundDE
Atlassian Bamboo≤ LTS <10.2.21cert_bundDE
Atlassian Bamboo≤ LTS <12.1.9cert_bundDE
Atlassian Bitbucket≤ LTS <9.4.22cert_bundDE
Atlassian Bitbucket≤ LTS <10.3.2cert_bundDE
Atlassian Confluence≤ LTS <10.2.14cert_bundDE
Atlassian Confluence≤ LTS <9.2.22cert_bundDE
Atlassian Crucible< 4.9.12cert_bundDE

showing 20 of 40

advisories (4)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1869VMware Tanzu Spring Security: Mehrere SchwachstellenDeutsch2026-06-09csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in VMware Tanzu Spring Security ausnutzen, um einen Denial of Service zu verursachen, beliebigen Code auszuführen, Benutzer auf beliebige Websites umzuleiten, Informationen offenzulegen und die Identität eines anderen Benutzers anzunehmen.
WID-SEC-W-2026-2460Atlassian Bamboo, Bitbucket, Confluence, Fisheye, Crucible, Jira und Jira Service Management: Mehrere SchwachstellenDeutsch2026-07-21csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Atlassian Bamboo, Bitbucket, Confluence, Fisheye, Crucible, Jira und Jira Service Management ausnutzen, um beliebigen Code auszuführen, erweiterte Berechtigungen zu erlangen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.
WID-SEC-W-2026-2923Atlassian Produkte (Bamboo, Bitbucket, Confluence, Crucible, Fisheye, und Jira): Mehrere SchwachstellenDeutsch2026-08-18csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Atlassian Bamboo, Atlassian Bitbucket, Atlassian Confluence, Atlassian Crucible, Atlassian Fisheye und Atlassian Jira ausnutzen, um beliebigen Programmcode auszuführen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Dateien zu manipulieren, um einen Cross-Site Scripting Angriff durchzuführen, um einen SQL-Injection Angriff durchzuführen, und um Sicherheitsvorkehrungen zu umgehen.
GHSA-293q-567p-wmwqSpring Security Vulnerable to Unauthorized User Impersonation when Using X.509 Client Certificates2026-06-10ghsa · osvUS
In Spring Security Web, `SubjectDnX509PrincipalExtractor` 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. `SubjectDnX509PrincipalExtractor` is deprecated by this CVE and replaced with `SubjectX500PrincipalExtractor`. As part of updating, you should also migrate to `SubjectX500PrincipalExtractor`. Affected versions: Spring Security Enterprise 5.7.0 through 5.7.24; 5.8.0 through 5.8.26; 6.3.0 through 6.3.17; 6.4.0 through 6.4.17; 6.5.0 through 6.5.10. OSS 6.5.0 through 6.5.10.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund osv NVD CVE.org MITRE

published 2026-06-10modified 2026-07-23

references (5)

External citations — patches, advisories, analysis.

scry

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