{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/solr/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Solr"],"_cs_severities":["high"],"_cs_tags":["apache-solr","vulnerability","data-breach","defense-evasion"],"_cs_type":"advisory","_cs_vendors":["Apache"],"content_html":"\u003cp\u003eApache Solr is susceptible to multiple vulnerabilities that could allow an attacker to compromise the system. These vulnerabilities can be exploited to bypass security measures, gain unauthorized access, manipulate data, and disclose sensitive information. The advisory does not specify the exact vulnerabilities or CVEs, but it generally highlights a significant risk to organizations using Apache Solr if these vulnerabilities are not addressed. Defenders should investigate the vulnerabilities and apply recommended mitigations or patches from the vendor.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker identifies a vulnerable Apache Solr instance.\u003c/li\u003e\n\u003cli\u003eThe attacker exploits a vulnerability to bypass authentication mechanisms.\u003c/li\u003e\n\u003cli\u003eThe attacker gains unauthorized access to Solr data and configurations.\u003c/li\u003e\n\u003cli\u003eThe attacker manipulates data stored within Solr indices, potentially corrupting or altering critical information.\u003c/li\u003e\n\u003cli\u003eThe attacker exploits a vulnerability to disclose sensitive data stored within Solr, such as credentials, API keys, or customer data.\u003c/li\u003e\n\u003cli\u003eThe attacker uses the disclosed information to escalate privileges or move laterally within the network.\u003c/li\u003e\n\u003cli\u003eThe attacker maintains persistence by creating malicious Solr configurations or plugins.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vulnerabilities could lead to significant data breaches, data manipulation, and unauthorized access to sensitive information. Organizations using Apache Solr could face financial losses, reputational damage, and legal repercussions. The number of affected organizations is currently unknown, but given the widespread use of Apache Solr, the potential impact is high.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInvestigate the specific vulnerabilities referenced in the advisory \u003ca href=\"https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0182\"\u003ehttps://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0182\u003c/a\u003e and identify affected Apache Solr instances.\u003c/li\u003e\n\u003cli\u003eApply any available patches or mitigations recommended by the vendor for Apache Solr.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rules to detect suspicious activity indicative of exploitation attempts.\u003c/li\u003e\n\u003cli\u003eMonitor Apache Solr logs for unauthorized access attempts or data manipulation activities.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-15T08:36:23Z","date_published":"2026-05-15T08:36:23Z","id":"https://feed.craftedsignal.io/briefs/2026-05-apache-solr-vulns/","summary":"Multiple vulnerabilities in Apache Solr could be exploited by an attacker to bypass security measures, manipulate data, and disclose sensitive information.","title":"Multiple Vulnerabilities in Apache Solr","url":"https://feed.craftedsignal.io/briefs/2026-05-apache-solr-vulns/"}],"language":"en","title":"CraftedSignal Threat Feed — Solr","version":"https://jsonfeed.org/version/1.1"}