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Github Security Blog
Github Security Blog
added 2026/05/04 6:30 p.m.19 views

Apache OpenNLP ExtensionLoader Vulnerable to Arbitrary Class Instantiation via Model Manifest

Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its no-arg constructor, with the class name sourced from the manifest.properties entry o...

9.8CVSS8.7AI score0.00666EPSS
SaveExploits0References7Affected Software1
Snyk
Snyk
added 2026/05/04 6:26 p.m.17 views

Unsafe Reflection

Overview org.apache.opennlp:opennlp-tools is an is a machine learning based toolkit for the processing of natural language text. Affected versions of this package are vulnerable to Unsafe Reflection that leads to arbitrary class instantiation, via the instantiateExtension method in the...

9.8CVSS6.1AI score0.00666EPSS
SaveExploits0References2
OSV
OSV
added 2026/05/04 5:16 p.m.7 views

DEBIAN-CVE-2026-42027

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its...

9.8CVSS6AI score0.00666EPSS
SaveExploits0References1
ATTACKERKB
ATTACKERKB
added 2026/05/04 4:43 p.m.8 views

CVE-2026-42027

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its...

9.8CVSS6AI score0.00666EPSS
SaveExploits0References2Affected Software1
CVE
CVE
added 2026/05/04 4:43 p.m.65 views

CVE-2026-42027

The CVE-2026-42027 issue affects Apache OpenNLP ExtensionLoader: ExtensionLoader.instantiateExtension(Class, String) uses Class.forName() to load a class name from a model archive manifest and invokes its no-arg constructor. Although the isAssignableFrom check filters types after loading, Class.f...

9.8CVSS6AI score0.00666EPSS
SaveExploits0References5Affected Software1
Vulnrichment
Vulnrichment
added 2026/05/04 4:43 p.m.10 views

CVE-2026-42027 Apache OpenNLP: Arbitrary Class Instantiation via Model Manifest in ExtensionLoader

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its...

6AI score0.00666EPSS
SaveExploits0References1
OSV
OSV
added 2026/05/04 4:43 p.m.9 views

CVE-2026-42027 Apache OpenNLP: Arbitrary Class Instantiation via Model Manifest in ExtensionLoader

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its...

9.8CVSS6.2AI score
SaveExploits0References8
Debian CVE
Debian CVE
added 2026/05/04 4:43 p.m.11 views

CVE-2026-42027

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its...

9.8CVSS6AI score0.00666EPSS
SaveExploits0
EUVD
EUVD
added 2026/05/04 4:43 p.m.20 views

EUVD-2026-27005

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its no-arg...

6.1AI score0.00666EPSS
SaveExploits0References1
Cvelist
Cvelist
added 2026/05/04 4:43 p.m.54 views

CVE-2026-42027 Apache OpenNLP: Arbitrary Class Instantiation via Model Manifest in ExtensionLoader

Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtensionClass, String method loads a class by its fully-qualified name via Class.forName and invokes its...

0.00666EPSS
SaveExploits0References1
Vulnrichment
Vulnrichment
added 2026/05/04 3:53 p.m.7 views

CVE-2026-42372 D-Link DIR-605L A1 Hardcoded Telnet Backdoor Credentials

D-Link DIR-605L Hardware Revision A1 End-of-Life, EOL contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /bin/telnetd.sh with the username "Alphanetworks" and the static password "wrgn35dlwbrdir605l" read from /etc/alphaconfig/imagesign. The custom telnetd binary...

8.8CVSS5.8AI score0.003EPSS
SaveExploits1References1
Snyk
Snyk
added 2026/05/04 3:2 a.m.13 views

Malicious Package

Overview @tw-utils/static is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

9.8CVSS5.8AI score
SaveExploits0References2
CNNVD
CNNVD
added 2026/05/04 12:0 a.m.20 views

Apache OpenNLP 安全漏洞

Apache OpenNLP is a natural language processing toolkit developed by the Apache Foundation. Versions of Apache OpenNLP prior to 2.5.9 and 3.0.0-M3 contained security vulnerabilities. These vulnerabilities stemmed from the ExtensionLoader.instantiateExtension method, which loaded and initialized...

9.8CVSS5.9AI score0.00666EPSS
SaveExploits0References1
Positive Technologies
Positive Technologies
added 2026/05/04 12:0 a.m.19 views

PT-2026-36833

Name of the Vulnerable Software and Affected Versions D-Link DIR-605L Hardware Revision A1 Description A hardcoded telnet backdoor exists where the device starts a telnet daemon at boot via the /bin/telnetd.sh script. The system uses a static username "Alphanetworks" and password "wrgn35 dlwbr...

8.8CVSS5.8AI score0.003EPSS
SaveExploits1References3
Tenable Nessus
Tenable Nessus
added 2026/05/04 12:0 a.m.9 views

Linux Distros Unpatched Vulnerability : CVE-2026-22741

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Spring MVC and WebFlux applications are vulnerable to cache poisoning when resolving static resources. More precisely, an application can be vulnerable when all...

3.1CVSS6AI score0.00236EPSS
SaveExploits0References4
Packet Storm News
Packet Storm News
added 2026/05/03 12:0 a.m.10 views

QASecClaw: A Multi-Agent LLM Approach for False Positive Reduction in Static Application Security Testing

Static Application Security Testing tools help developers find security vulnerabilities before release, but they often produce many false positives. This increases manual review effort, reduces developer trust, and may cause real vulnerabilities to be ignored among noisy reports. We present...

5.8AI score
SaveExploits0
RedHat Linux
RedHat Linux
added 2026/05/01 3:45 p.m.15 views

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: capstone: capstone-5.0.7-0.1.hum1 aarch64, x8664 capstone-devel-5.0.7-0.1.hum1 aarch64, x8664 capstone-java-5.0.7-0.1.hum1 noarch capstone-static-5.0.7-0.1.hum1 aarch64, x8664...

9.8CVSS7.2AI score0.0023EPSS
SaveExploits1References4
NVD
NVD
added 2026/05/01 3:16 p.m.12 views

CVE-2026-31730

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: possible double-free of cctx-remoteheap fastrpcinitcreatestaticprocess may free cctx-remoteheap on the errmap path but does not clear the pointer. Later, fastrpcrpmsgremove frees cctx-remoteheap again if it is...

7.8CVSS0.00129EPSS
SaveExploits0References5
CNNVD
CNNVD
added 2026/05/01 12:0 a.m.14 views

Apache MINA 代码问题漏洞

Apache MINA is a web application framework developed by the Apache Foundation in the United States. This product is primarily used for developing high-performance and highly scalable web applications. There were code vulnerabilities in versions of Apache MINA from 2.1.0 to 2.1.11, as well as in...

9.8CVSS6.8AI score0.00657EPSS
SaveExploits0References1
GithubExploit
GithubExploit
added 2026/04/30 9:3 p.m.207 views

Exploit for CVE-2026-31431

Usage Compile statically to be able to use i...

7.8CVSS5.6AI score0.99907EPSS
SaveExploits238
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