CVE-2026-76387: In Splunk Enterprise Security versions below 8.6.1, a user who holds a Splunk Enterprise Security role that co

Q: How do I fix CVE-2026-76387?

enterprise security: upgrade to 8.6.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-76387 being exploited?

CVE-2026-76387 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-76387 affect?

CVE-2026-76387 affects enterprise security. Severity is high (CVSS 8.1). In Splunk Enterprise Security versions below 8.6.1, a user who holds a Splunk Enterprise Security role that contains the mc_investigation_read capability could inject Search Processing Language (SPL) through Analyst Queue search filters, al

Routine

HIGH 8.1UPGRADE

CVE-2026-76387 is a high-severity flaw (CVSS 8.1) affecting enterprise security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Splunk Enterprise Security versions below 8.6.1, a user who holds a Splunk Enterprise Security role that contains the mc_investigation_read capability could inject Search Processing Language (SPL) through Analyst Queue search filters, allowing for access to all relevant data and system integrity available to the scheduled searches that run for that user. The vulnerability is possible because the Analyst Queue search filter handling does not va

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-20
Published	2026-08-19
Last modified	2026-08-25

Publisher (CNA): Cisco Systems, Inc. · Vendor: splunk

Last updated 2026-08-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-19 22:17 UTCPublished CVE record published
2026-08-25 16:30 UTCUpdated Record last modified

splunk enterprise security UPGRADE

Affected: < 8.6.1

Fixed in: 8.6.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy enterprise-security || rpm -q enterprise-security || enterprise-security --version

2. UPGRADE to 8.6.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade enterprise-security

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade enterprise-security

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-76387?

enterprise security: upgrade to 8.6.1. Exact commands for each OS are on this page.

Is CVE-2026-76387 being exploited?

CVE-2026-76387 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-76387 affect?

CVE-2026-76387 affects enterprise security. Severity is high (CVSS 8.1). In Splunk Enterprise Security versions below 8.6.1, a user who holds a Splunk Enterprise Security role that contains the mc_investigation_read capability could inject Search Processing Language (SPL) through Analyst Queue search filters, al

How urgent is CVE-2026-76387?

Priority 37/100. High severity

Software pages

Splunk vulnerabilities

Related CVEs

CVE-2026-76388 HIGH 8.1 UPGRADE In Splunk Enterprise Security versions below 8.6.1, a user who holds the ess_analyst Splunk Enterprise Securit

References

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