[NEW] [high] Splunk Splunk Enterprise: Multiple vulnerabilities

highCVE-2026-20296 CVE-2026-20297 CVE-2026-20298

An attacker can exploit multiple vulnerabilities in Splunk Splunk Enterprise to bypass security measures, manipulate data, and disclose confidential information.

CSIRTS triage

vendor: Splunk product: Splunk Enterprise Authentication bypassOtherInformation disclosure

What: Multiple vulnerabilities can be exploited to bypass security measures, manipulate data, and disclose confidential information.
Who is affected: Users of Splunk Splunk Enterprise.
Urgency: Remediation is critical due to the high severity of the vulnerabilities and potential data exposure.
Action: Update to the latest version of Splunk Enterprise.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: high
Published: 2026-07-16
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2370

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-202960.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.
Low exploitation riskCVE-2026-202970.48% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all scored CVEs.
Low exploitation riskCVE-2026-202980.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-20296	coverage & exploitation status	NVD · CVE.org
CVE-2026-20297	coverage & exploitation status	NVD · CVE.org
CVE-2026-20298	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Splunk Splunk Enterprise

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

high[UPDATE] [high] Splunk Splunk Enterprise: Multiple vulnerabilitiescert-bund · 2026-07-23
unknownNCSC-2026-0247 [1.00] [M/H] Vulnerabilities fixed in Splunk Enterprise and Splunk Cloud Platformncsc-nl · 2026-07-17
mediumCVE-2026-20298: In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, and 9.4.13, and Splunk Cloud Platf…nvd · 2026-07-15
highCVE-2026-20297: In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, 9.4.13, and 9.3.14, and Splunk Clo…nvd · 2026-07-15
highCVE-2026-20296: In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, and 9.4.13, and Splunk Cloud Platf…nvd · 2026-07-15
high[UPDATE] [high] Splunk Splunk Enterprise: Multiple vulnerabilitiescert-bund · 2026-07-10