Jackrabbit - CraftedSignal Threat Feedhttps://feed.craftedsignal.io/products/jackrabbit/Trending threats, MITRE ATT&CK coverage, and detection metadata. Fed continuously.Hugoenhello@craftedsignal.iohello@craftedsignal.ioWed, 12 Aug 2026 08:37:51 +0000https://feed.craftedsignal.io/favicon-32x32.pngCraftedSignal Threat Feedhttps://feed.craftedsignal.io/3232https://feed.craftedsignal.io/favicon.svgRemote Code Execution in Apache Jackrabbithttps://feed.craftedsignal.io/briefs/2026-08-apache-jackrabbit-rce/Wed, 12 Aug 2026 08:37:51 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-08-apache-jackrabbit-rce/An unauthenticated remote attacker can exploit a deserialization vulnerability in Apache Jackrabbit to achieve remote code execution.Apache Jackrabbit is susceptible to a remote code execution vulnerability identified as CVE-2023-38649. The vulnerability is rooted in an insecure deserialization flaw, which permits an unauthenticated, remote attacker to execute arbitrary code on systems running vulnerable versions of the Apache Jackrabbit software. This issue poses a significant risk to the integrity and confidentiality of impacted servers, as successful exploitation provides attackers with the ability to run commands with the privileges of the underlying application process. Security teams should prioritize patching or upgrading to secure versions as provided by the Apache Software Foundation to mitigate the risk of exploitation.

Impact

Successful exploitation of this vulnerability allows an attacker to gain remote code execution capabilities on the host system. This could lead to a full system compromise, unauthorized access to data managed by the Jackrabbit repository, or further lateral movement within the network. The scope of the impact depends on the environment's configuration and the privileges of the user running the Apache Jackrabbit service.

Recommendation

  • Identify all instances of Apache Jackrabbit in the environment and determine if they are running vulnerable versions associated with CVE-2023-38649.
  • Apply security patches or upgrade the Apache Jackrabbit software to the latest secure version provided by the vendor.
  • Implement network segmentation to restrict access to the Jackrabbit application to only authorized users and systems, thereby reducing the exposure to unauthenticated, external attackers.
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