SB20260824186 - Multiple vulnerabilities in Apache Ranger
Published: August 24, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 vulnerabilities.
1) Command injection (CVE-ID: CVE-2026-28672)
CWE-ID: CWE-77 - Command injection
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to execute arbitrary commands.
The vulnerability exists due to command injection in UnixUserGroupBuilder when processing a username. A remote user can supply a specially crafted username to execute arbitrary commands.
2) Improper access control (CVE-ID: CVE-2026-40920)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to improper access control in URL parameter handling when processing requests. A remote user can modify a URL parameter to escalate privileges.
CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to jdbc url injection in database connection handling when processing a supplied jdbc url. A remote attacker can supply a specially crafted jdbc url to execute arbitrary code.
4) Improper Control of Dynamically-Managed Code Resources (CVE-ID: CVE-2026-44416)
CWE-ID: CWE-913 - Improper Control of Dynamically-Managed Code Resources
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper control of dynamically managed code resources in plugin-schema-registry when instantiating arbitrary classes. A remote attacker can trigger arbitrary class instantiation to execute arbitrary code.
5) Code Injection (CVE-ID: CVE-2026-55799)
CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper code generation control in GraalScriptEngineCreator when processing crafted input. A remote attacker can supply specially crafted input to execute arbitrary code.
6) Missing Authentication for Critical Function (CVE-ID: CVE-2026-55814)
CWE-ID: CWE-306 - Missing Authentication for Critical Function
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to missing authentication in download APIs when handling download requests. A remote attacker can send crafted requests to disclose sensitive information.
7) Improper validation of certificate with host mismatch (CVE-ID: CVE-2026-65942)
CWE-ID: CWE-297 - Improper Validation of Certificate with Host Mismatch
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to intercept or modify transmitted data.
The vulnerability exists due to improper certificate validation in Apache Ranger client code when establishing TLS connections. A remote attacker can present a certificate issued for a different hostname to intercept or modify transmitted data.
8) Inclusion of Sensitive Information in Log Files (CVE-ID: CVE-2026-65945)
CWE-ID: CWE-532 - Information Exposure Through Log Files
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper exposure of sensitive information in log files when recording JWT bearer tokens. A remote attacker can obtain replayable JWT bearer tokens from logs to disclose sensitive information.
9) Improper Restriction of Excessive Authentication Attempts (CVE-ID: CVE-2026-65948)
CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to compromise accounts via brute-force attacks.
The vulnerability exists due to improper protection against excessive authentication attempts in UnixAuth when processing authentication requests. A remote user can send repeated authentication attempts to compromise accounts via brute-force attacks.
UnixAuth is involved.
10) SQL injection (CVE-ID: CVE-2026-32227)
CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary SQL commands.
The vulnerability exists due to SQL injection in lookup functionality when handling user-supplied lookup input. A remote attacker can send crafted input to execute arbitrary SQL commands.
Remediation
Install update from vendor's website.
References
- https://lists.apache.org/api/email.lua?id=99ysjqcmz950o3jgm6pqx1wb696onzq7
- https://lists.apache.org/api/email.lua?id=zh92fob9gqp196rvz3x9t0d2fnq9g27d
- https://ranger.apache.org/
- https://lists.apache.org/api/email.lua?id=ymwvz8cwv3wm8fq21pnd7fco0l1m4wrp
- https://lists.apache.org/api/email.lua?id=2gqssqhwkzbpd8jx8q6986cwldr7qkdn
- https://lists.apache.org/api/email.lua?id=mqpdrqrvd47x5vhy03xok4ylbo9wbqgj
- https://lists.apache.org/api/email.lua?id=yoorhnbxfydb5xoxlxlmms0f268rj9dh
- https://lists.apache.org/api/email.lua?id=pp6on4yyht3z8l0ktfo1xydhjzjbn4gt
- https://lists.apache.org/api/email.lua?id=ww4b3d59r3pnhosljcrq9b98qzqtnclk
- https://lists.apache.org/api/email.lua?id=cx53rbkxkn5hbvzv8ohwvndzrxhc06qf
- https://lists.apache.org/api/email.lua?id=1zltfzd6rp683omrlv1zkxvkwm9d0nd2