Solr
47 CVEs tracked. 3 of them are in CISA KEV.
This hub aggregates every CVE we track for Solr, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.
Solr CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 2 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 2 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 2 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 1 |
| 2026-07 | 0 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 47 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical9
- High22
- Medium15
- Low1
Latest CVEs
The 15 most recently published vulnerabilities affecting Solr.
- CVE-2026-44825Apache Solr: Enabling BasicAuth using bin/solr CLI configures additional insecure users8.1
- CVE-2026-22022Apache Solr: Unauthorized bypass of certain "predefined permission" rules in the RuleBasedAuthorizationPlugin8.2
- CVE-2026-22444Apache Solr: Insufficient file-access checking in standalone core-creation requests7.1
- CVE-2025-24814Apache Solr: Core-creation with "trusted" configset can use arbitrary untrusted files5.5
- CVE-2024-52012Apache Solr: Configset upload on Windows allows arbitrary path write-access5.4
- CVE-2024-45217Apache Solr: ConfigSets created during a backup restore command are trusted implicitly8.1
- CVE-2024-45216Apache Solr: Authentication bypass possible using a fake URL Path ending9.8
- CVE-2023-50291Apache Solr: System Property redaction logic inconsistency can lead to leaked passwords7.5
- CVE-2023-50292Apache Solr: Solr Schema Designer blindly "trusts" all configsets, possibly leading to RCE by unauthenticated users7.5
- CVE-2023-50298Apache Solr: Solr can expose ZooKeeper credentials via Streaming Expressions7.5
- CVE-2023-50386Apache Solr: Backup/Restore APIs allow for deployment of executables in malicious ConfigSets8.8
- CVE-2023-50290Apache Solr: Host environment variables are published via the Metrics API6.5
- CVE-2023-44487The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.7.5
- CVE-2021-44548Apache Solr information disclosure vulnerability through DataImportHandler9.8
- CVE-2021-33813An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers to cause a denial of service via a crafted HTTP request.7.5
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