Start here for the decision-making essentials: what Apache Solr does, who it is for, how it is accessed, and the first-party sources behind this profile.
PricingCurrent signal
See official pricing
Platforms
Web
API accessNot public
FoundedNot disclosed by source
AvailabilityWeb / remote
LicenseProprietary
Official site snapshots
See the official site at a glance
Read-only public captures of Apache Solr’s homepage. Screenshots are dated, never live embeds, and open full-screen.
Short answers to the questions buyers and builders commonly ask about Apache Solr. Each answer cites the shared ledger below, where every source is listed once.
This profile connects the jobs Apache Solr is described as handling with its delivery model, access options and the subjects used to match it to related products in this directory.
Each fact points to a recorded source, making it easy to distinguish verified product information from claims that need checking.
Official website
HTTP 200 verified
Official page title
Welcome to Apache Solr - Apache Solr
Practical capabilities
What it helps with
1 documented areas
A concise view of the jobs, capabilities and integrations described in the recorded product sources.
Focus area
Vector databases
Availability
Where it runs and where to get it
Source checked
Documented product formats, platforms and official distribution destinations. Availability can vary by region and plan.
Cost / license
See official pricing
Platforms
Web
Implementation details
Adoption notes
DeploymentWeb
LicenseProprietary
Model supportProvider-managed unless documented otherwise
Data controlReview the provider's current privacy, retention and subprocessors documentation before adoption
Learning curveBeginner
Primary use cases
What to verify before adopting
Confirm current pricing, quotas and feature availability with the provider.
Test output quality and reliability against your own workflow before committing.
Review privacy, security and contractual requirements for sensitive data.
Evolution and major updates
Apache Solr timeline
A concise history of software releases and material product changes. Events appear only when a dated source supports what changed.
5 dated updates
Latest first · exact dates
Showing the newest updates and meaningful milestones. Open an entry for its summary and source.
Release note
JWT Authentication blockUnknown Security Advisory
Open details
Apache Solr disclosed a moderate severity security vulnerability affecting the JWT Authentication Plugin (solr.JWTAuthPlugin) in Solr 9.0.0 through 9.10.1 and 10.0.0, where the blockUnknown parameter documented as defaulting to true had actually defaulted to…
Moderate-severity advisory: Solr 9.0.0–9.10.1 and 10.0.0 JWT Authentication Plugin blockUnknown defaults to false contrary to docs; fix planned in 9.11 and 10.1.
Major release of Apache Solr 10.0.0, an open source multi-modal search platform built on Apache Lucene offering full-text, vector and geospatial search, distributed indexing and replication, and parallel SQL.
Moderate-severity advisory: Apache Solr 5.3.0–9.10.0 using RuleBasedAuthorizationPlugin with multiple roles and predefined permissions is vulnerable to unauthorized API access due to insufficient input validation.
Moderate-severity CVE-2026-22022 affecting Apache Solr 5.3.0 through 9.10.0: insufficient input validation in RuleBasedAuthorizationPlugin can allow unauthorized access to certain Solr APIs when multiple roles and predefined permissions are configured.
Facts, answers, structured details, milestones and primary resource links cite this shared ledger. Each external page appears once; release tags from the same GitHub project are grouped under one release history.
1solr.apache.org 2 facts · 3 answers · 1 snapshot source · Official site
These tools share a workflow, capability or audience with Apache Solr. They may complement it rather than replace it, and are not presented as integrations or endorsements.
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Vector databases · ToolRAGFlowOpen-source RAG engine delivering citation-backed question answering with an integrated agent platform combining RAG, tools, and MCPs. Features vector search, BM25, re-ranking, multi-format ingestion, Knowledge Compilation, GraphRAG, and multi-agent orchestration.Also mapped to Vector databases
