CVE-2026-24400
criticalPriorität · verfolgen · 36EPSS 0.006 · 47. PerzentilDEEURUUSEPSS · bewertet 2026-10-27
AssertJ provides Fluent testing assertions for Java and the Java Virtual Machine (JVM). Starting in version 1.4.0 and prior to version 3.27.7, an XML External Entity (XXE) vulnerability exists in `org.assertj.core.util.xml.XmlStringPrettyFormatter`: the `toXmlDocument(String)` method initializes `DocumentBuilderFactory` with default settings, without disabling DTDs or external entities. This formatter is used by the `isXmlEqualTo(CharSequence)` assertion for `CharSequence` values. An application is vulnerable only when it uses untrusted XML input with either `isXmlEqualTo(CharSequence)` from `org.assertj.core.api.AbstractCharSequenceAssert` or `xmlPrettyFormat(String)` from `org.assertj.core.util.xml.XmlStringPrettyFormatter`. If untrusted XML input is processed by tone of these methods, an attacker couldnread arbitrary local files via `file://` URIs (e.g., `/etc/passwd`, application configuration files); perform Server-Side Request Forgery (SSRF) via HTTP/HTTPS URIs, and/or cause Denial of Service via "Billion Laughs" entity expansion attacks. `isXmlEqualTo(CharSequence)` has been deprecated in favor of XMLUnit in version 3.18.0 and will be removed in version 4.0. Users of affected versions should, in order of preference: replace `isXmlEqualTo(CharSequence)` with XMLUnit, upgrade to version 3.27.7, or avoid using `isXmlEqualTo(CharSequence)` or `XmlStringPrettyFormatter` with untrusted input. `XmlStringPrettyFormatter` has historically been considered a utility for `isXmlEqualTo(CharSequence)` rather than a feature for AssertJ users, so it is deprecated in version 3.27.7 and removed in version 4.0, with no replacement.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- Behobenassertj-core-0:3.27.7-150200.5.9.2.noarch as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-0:3.27.7-160000.1.1.noarch as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-0:3.27.7-160000.1.1.noarch as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-javadoc-0:3.27.7-160000.1.1.noarch as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-javadoc-0:3.27.7-160000.1.1.noarch as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-0:3.27.7-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-0:3.27.7-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-0:3.27.7-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-0:3.27.7-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-javadoc-0:3.27.7-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-javadoc-0:3.27.7-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-javadoc-0:3.27.7-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-javadoc-0:3.27.7-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-0:3.27.7-160000.1.1.noarch as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenassertj-core-javadoc-0:3.27.7-160000.1.1.noarch as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–critical · 5.5–9.1
SSVC
Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (14)
Betroffene Produkte und Versionsbereiche.
Advisories (9)
Hersteller- und Ökosystem-Meldungen dazu.
- SUSE-SU-2026:0344-1Security update for assertj-core2026-01-29csaf · suse_csafDE
Security update for assertj-core
- SUSE-SU-2026:20604-1Security update for assertj-core2026-03-02csaf · suse_csafDE
Security update for assertj-core
- WID-SEC-W-2026-0851IBM InfoSphere Information Server: Mehrere SchwachstellenDeutsch2026-03-24csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in IBM InfoSphere Information Server ausnutzen, um Sicherheitsmaßnahmen zu umgehen, einen Denial of Service zu verursachen, einen Cross Site Scripting und CSRF Angriff durchzuführen, Informationen offenzulegen und Daten zu manipulieren.
- WID-SEC-W-2026-2437Oracle Communications: Mehrere SchwachstellenDeutsch2026-07-21csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Communications ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
- WID-SEC-W-2026-2451Oracle Siebel CRM: Mehrere SchwachstellenDeutsch2026-07-21csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Siebel CRM ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
- WID-SEC-W-2026-2972Red Hat Enterprise Linux (assertj): Schwachstelle ermöglicht Offenlegung von Informationen und DoSDeutsch2026-08-23csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux (assertj) ausnutzen, um Informationen offenzulegen, und um einen Denial of Service Angriff durchzuführen.
- openSUSE-SU-2026:10106-1assertj-core-3.27.7-1.1 on GA media2026-01-28csaf · suse_csafDE
assertj-core-3.27.7-1.1 on GA media
- openSUSE-SU-2026:20298-1Security update for assertj-core2026-03-02csaf · suse_csafDE
Security update for assertj-core
- GHSA-rqfh-9r24-8c9rAssertJ has XML External Entity (XXE) vulnerability when parsing untrusted XML via isXmlEqualTo assertion2026-01-26ghsa · osvUS
An XML External Entity (XXE) vulnerability exists in `org.assertj.core.util.xml.XmlStringPrettyFormatter`: the `toXmlDocument(String)` method initializes `DocumentBuilderFactory` with default settings, without disabling DTDs or external entities. This formatter is used by the `isXmlEqualTo(CharSequence)` assertion for `CharSequence` values. An application is vulnerable only when it uses untrusted XML input with one of the following methods: - `isXmlEqualTo(CharSequence)` from `org.assertj.core.api.AbstractCharSequenceAssert` - `xmlPrettyFormat(String)` from `org.assertj.core.util.xml.XmlStringPrettyFormatter` ### Impact If untrusted XML input is processed by the methods mentioned above (e.g., in test environments handling external fixture files), an attacker could: - **Read arbitrary local files** via `file://` URIs (e.g., `/etc/passwd`, application configuration files) - **Perform Server-Side Request Forgery (SSRF)** via HTTP/HTTPS URIs - **Cause Denial of Service** via "Billion Laughs" entity expansion attacks ### Mitigation `isXmlEqualTo(CharSequence)` has been deprecated in favor of [XMLUnit](https://www.xmlunit.org/) in version 3.18.0 and will be removed in version 4.0. Users of affected versions should, in order of preference: 1. Replace `isXmlEqualTo(CharSequence)` with XMLUnit, or 2. Upgrade to version 3.27.7, or 3. Avoid using `isXmlEqualTo(CharSequence)` or `XmlStringPrettyFormatter` with untrusted input. `XmlStringPrettyFormatter` has historically been considered a utility for `isXmlEqualTo(CharSequence)` rather than a feature for AssertJ users, so it is deprecated in version 3.27.7 and removed in version 4.0, with no replacement. ### References - [CWE-611: Improper Restriction of XML External Entity Reference](https://cwe.mitre.org/data/definitions/611.html) - [OWASP XXE Prevention Cheat Sheet](https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html)
auch bekannt als (5)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (14)
Externe Belege — Patches, Meldungen, Analysen.
- https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.htmlcnnvd
- https://github.com/assertj/assertj/commit/85ca7eb6609bb179c043b85ae7d290523b1ba79acnnvd
- https://github.com/assertj/assertj/releasesPatchcnnvd
- https://github.com/assertj/assertj/releases/tag/assertj-build-3.27.7cnnvd
- https://github.com/assertj/assertj/security/advisories/GHSA-rqfh-9r24-8c9rcnnvd
- https://vigilance.fr/vulnerability/AssertJ-external-XML-entity-injection-via-toXmlDocument-49509cnnvd
- https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.htmlenisa_euvd
- https://github.com/assertj/assertj/commit/85ca7eb6609bb179c043b85ae7d290523b1ba79aenisa_euvd
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