CVE-2023-44487

CVE-2023-44487 – HTTP/2 Rapid Reset DoS Root cause: HTTP/2 stream resets can cause servers to continue processing, leading to unbounded resource consumption and potential DoS when clients rapidly cancel streams. What’s affected: Various HTTP/2 implementations and deployments, including servers, p...

CVE-2019-17558

CVE-2019-17558 affects Apache Solr 5.0.0–8.3.1 and allows remote code execution via the VelocityResponseWriter. An attacker can supply a Velocity template through configset velocity/ or via a parameter; enabling the resource loader for templates requires a configured response writer. Solr 8.4 rem...

CVE-2021-33813

CVE-2021-33813 concerns an XXE vulnerability in JDOM’s SAXBuilder up to version 2.0.6, allowing denial-of-service via a crafted HTTP request. Connected advisories confirm the issue affects jdom/jdom2 and list downstream fixes/upgrades in Linux distributions (e.g., Amazon Linux advisories ALAS2-20...

CVE-2023-50298

CVE-2023-50298: Apache Solr Streaming Expressions can reveal ZooKeeper credentials via zkHost if the SolrCloud uses ZooKeeper authentication. Affected: Solr 6.0.0–8.11.2 and 9.0.0–9.3.x (before 9.4.1). Root cause: zkHost usage may transmit ZooKeeper credentials/ACLs to an attacker-controlled serv...

CVE-2021-29262

CVE-2021-29262 affects Apache Solr

CVE-2017-3163

CVE-2017-3163 affects Apache Solr when using the Index Replication feature. The vulnerability arises because Solr did not validate the file name in the HTTP API used to pull index files from a master/leader, enabling path traversal and exposing files readable by the Solr server process. Affected ...

CVE-2012-6612

CVE-2012-6612 describes an XXE-type vulnerability in Apache Solr where the UpdateRequestHandler (for XSLT) or XPathEntityProcessor prior to Solr 4.1 could process XML data containing external entity declarations combined with an entity reference, enabling remote impact. Connected advisories (GHSA...

CVE-2026-22444

The CVE-2026-22444 issue affects Apache Solr in standalone mode (versions 8.6–9.10.0) where the create core API performs inadequate input validation on certain API parameters. This can cause Solr to check and read file-system paths that should be blocked by the allowPaths setting, potentially all...

CVE-2018-1308

CVE-2018-1308 is an XML External Entity (XXE) vulnerability in Apache Solr’s DataImportHandler, affecting Solr 1.2–6.6.2 and 7.0–7.2.1. The vulnerability stems from an XXE flaw in the dataConfig parameter of the DataImportHandler, enabling an attacker to read arbitrary local files via file/ftp/ht...

CVE-2023-50292

The CVE-2023-50292 issue affects Apache Solr before 9.3.0 and 8.11.x lines, where the Schema Designer could load external libraries from untrusted configSets due to missing trust handling. This could enable remote code execution when non-authenticated users configure Schema Sets. Affected version...

CVE-2017-3164

CVE-2017-3164 is an SSRF vulnerability in Apache Solr affecting Log Analysis (IBM) versions 1.3.1–1.3.6 (Solr 1.3.x to 7.6). The shards parameter lacks a whitelist, allowing remote attackers with server access to trigger HTTP GET requests to any reachable URL. Connected Nessus/NASL entries corrob...

CVE-2023-50291

CVE-2023-50291 — Insufficiently Protected Credentials (Apache Solr) : The issue affects Solr 6.0.0–8.11.2 and 9.0.0–9.3.0, where the /admin/info/properties endpoint could leak credentials because some sensitive properties (e.g., basicauth, aws.secretKey) were published in the UI. Access is gated ...

CVE-2019-12401

CVE-2019-12401 affects Apache Solr and is described as an XML resource consumption (Lol Bomb) vulnerability exposed via the Update Handler. Affected versions cover: 1.3.0–1.4.1, 3.1.0–3.6.2, and 4.0.0–4.10.4. The root cause is crafted XML using DOCTYPE and ENTITY declarations that expands during ...

CVE-2017-7660

CVE-2017-7660 affects Apache Solr inter-node communication when security is enabled. A specially crafted node name can mislead cluster nodes into treating a malicious node as a legitimate member if BasicAuth is enabled via BasicAuthPlugin or a custom authentication plugin that does not implement ...

CVE-2017-9803

CVE-2017-9803 affects Apache Solr’s Kerberos plugin, where delegation tokens can enable reuse of an end-user’s authentication. The documented issues include leakage of security configuration to non-super users and potential privilege escalation by malicious users when using a SecurityAwareZkACLPr...