Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk Enterprise |
Timeline
- Apr 16, 2026 CVE Published
=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3804 SVD-2026-0405: Third-Party Package Updates in Splunk Enterprise - April 2026 16 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: Splunk Enterprise Publisher: Splunk Operating System: Windows Linux Resolution: Patch/Upgrade CVE Names: CVE-2026-22796 CVE-2026-21226 CVE-2026-0994 CVE-2025-12817 CVE-2025-12818 Original Bulletin: https://advisory.splunk.com//advisories/SVD-2026-0405 Comment: CVSS (Max): 7.5 CVE-2026-21226 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: [Microsoft Corporation], NIST, CISA-ADP, PostgreSQL Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H EPSS (Max): 1.7% (82nd) CVE-2026-21226 2026-04-15 - --------------------------BEGIN INCLUDED TEXT-------------------- Third-Party Package Updates in Splunk Enterprise - April 2026 Advisory ID: SVD-2026-0405 CVE ID: Multiple Published: 2026-04-15 Last Update: 2026-04-15 Description Splunk remedied common vulnerabilities and exposures (CVEs) in Third Party Packages in Splunk Enterprise versions 10.2.2, 10.0.5, 9.4.10, 9.3.11, and higher. Package Remediation CVE Severity protobuf [1] Upgraded protobuf to version 5.29.6 CVE-2026-0994 High postgresql [2] Upgraded postgresql to version 17.7 Multiple Medium azure-core [3] Upgraded azure-core to version 1.38.0 Multiple High OpenSSL [4] Upgraded OpenSSL to version 1.0.2zo CVE-2026-22796 Low [ 1 ] Upgraded protobuf to version 5.29.6 to remedy CVE-2026-0994 at $SPLUNK_HOME/etc/apps/splunk_secure_gateway/lib/protobuf in Splunk Secure Gateway versions 3.10.3, 3.9.17, and 3.8.64 [ 2 ] Upgraded postgresql to version 17.7 to remedy CVE-2025-12817 and CVE-2025-12818 in Splunk Enterprise versions 10.2.2 and 10.0.5. Splunk Enterprise versions 9.4 and 9.3 are not affected [ 3 ] Upgraded azure-core to version 1.38.0 to remedy CVE-2026-21226 in Splunk Enterprise version 9.4.10. Splunk Enterprise 9.3 versions do not include azure-core. [ 4 ] Upgraded OpenSSL to version 1.0.2zo to remedy CVE-2026-22796 at $SPLUNK_HOME/lib/libcrypto.so.1.0.0 , and $SPLUNK_HOME/lib/libssl.so.1.0.0 in Splunk Enterprise versions 9.4.10 and 9.3.11 Solution Upgrade Splunk Enterprise to versions 10.2.2, 10.0.5, 9.4.10, 9.3.11, or higher. Product Status Product Base Version Affected Version Fix Version Splunk Enterprise 10.2 10.2.0 to 10.2.1 10.2.2 Splunk Enterprise 10.0 10.0.0 to 10.0.4 10.0.5 Splunk Enterprise 9.4 9.4.0 to 9.4.9 9.4.10 Splunk Enterprise 9.3 9.3.0 to 9.3.10 9.3.11 Severity For the CVEs in this list, Splunk adopted the vendor's severity rating or the National Vulnerability Database (NVD) common vulnerability scoring system (CVSS) rating, as available. - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk Enterprise |