Apache Impala: Avro Schema URL Server-Side Request Forgery
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
Summary
Specifying tblproperties('avro.schema.url'=' http://...' ) or with a 'file:///' URI on a table in Impala 2.0.0 to 4.5.1 on all platforms allows an attacker to trigger a GET request to internal endpoints they may not have access to but that Impala does and the response my be exposed via parsing error messages. Users are recommended to upgrade to version 4.5.2, which fixes this issue.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-54048
- 2026-10-03 Alias added: GHSA-mjfw-8c8c-xr6h
References
More Apache Impala vulnerabilities
- TI-2026-40572 Apache Impala: SAML authentication bypass via forged bearer token CVSS 3.1CRITICAL 9.8
- TI-2018-08448 Incorrect permission assignment in Apache Impala CVSS 3.0CRITICAL 9.8
- TI-2017-03640 Improper authentication in Apache Impala CVSS 3.0CRITICAL 9.8
- TI-2026-41667 Apache Impala: Secrets Exfiltration via SSRF CVSS 3.1HIGH 8.8
- TI-2021-09365 Impala logs contain secrets CVSS 3.1HIGH 7.5
- TI-2026-46513 Apache Impala: RCE via External Data Source Class Loading CVSS 3.1HIGH 8.1
Sources
- CVE-2026-54048 · CVE Program
- CVE-2026-54048 · NVD
- FIRST EPSS
- GHSA-mjfw-8c8c-xr6h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences