CVE-2026-42537: apache software foundation apache ranger Improper Input Validation
CVSS: 9.8v3.1CriticalAnalyzed
Published 10-08-2026Last modified 12-08-2026
Vulnerability summary
CVE-2026-42537 is a critical (CVSS 9.8) Improper Input Validation vulnerability in apache software foundation apache ranger. EPSS estimates a 1.29% chance of exploitation in the next 30 days, higher than 69.7% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.29%
0%100%
Low · +0.60 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-08-2026PublishedVulnerability first disclosed.
- 12-08-2026Last modifiedVulnerability information updated.
Description
Remote Code Execution via JDBC URL Injection in Apache Ranger <= 2.8.0 Users are recommended to upgrade to version 2.9.0, which fixes this issue.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.29%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
+0.60 pp
From 0.69% on 18-09-2026
18-09-202618-10-2026
EPSS score1.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
Affected systems
Apache1 product
- ranger< 2.9.0
Apache software foundation1 product
- apache ranger≤ 2.8.0
2 vendors · 2 products