CVE-2026-76357: In Splunk SOAR versions below 8.6.0, an authenticated user with no role assigned could submit a crafted file p

Q: How do I fix CVE-2026-76357?

soar: upgrade to 8.6.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-76357 being exploited?

CVE-2026-76357 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-2026-76357 affect?

CVE-2026-76357 affects soar. Severity is high (CVSS 7.6). In Splunk SOAR versions below 8.6.0, an authenticated user with no role assigned could submit a crafted file path to the Representational State Transfer (REST) API and execute arbitrary code. The vulnerability is possible because the REST A

Routine

HIGH 7.6UPGRADE

CVE-2026-76357 is a high-severity flaw (CVSS 7.6) affecting soar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Splunk SOAR versions below 8.6.0, an authenticated user with no role assigned could submit a crafted file path to the Representational State Transfer (REST) API and execute arbitrary code. The vulnerability is possible because the REST API does not require an assigned role for the request and does not restrict the user-supplied file path to the intended temporary directory. For more information see Manage roles and permissions in Splunk SOAR (

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-08-19
Last modified	2026-08-21

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

Last updated 2026-08-21 · 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
2026-08-21 14:44 UTCUpdated Record last modified

splunk soar UPGRADE

Affected: < 8.6.0

Fixed in: 8.6.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy soar || rpm -q soar || soar --version

2. UPGRADE to 8.6.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade soar

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade soar

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-2026-76357?

soar: upgrade to 8.6.0. Exact commands for each OS are on this page.

Is CVE-2026-76357 being exploited?

CVE-2026-76357 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-2026-76357 affect?

CVE-2026-76357 affects soar. Severity is high (CVSS 7.6). In Splunk SOAR versions below 8.6.0, an authenticated user with no role assigned could submit a crafted file path to the Representational State Transfer (REST) API and execute arbitrary code. The vulnerability is possible because the REST A

How urgent is CVE-2026-76357?

Priority 36/100. High severity

Software pages

Splunk vulnerabilities

Related CVEs

CVE-2026-76356 HIGH 8.1 UPGRADE In Splunk SOAR versions below 8.6.0, an unauthenticated user could spoof the source IP address in a crafted re
CVE-2026-76367 MEDIUM 4.0 UPGRADE In Splunk SOAR versions below 8.6.0, a user who holds the "Incident Commander" Splunk SOAR role could store Ja
CVE-2026-76362 HIGH 7.4 UPGRADE In Splunk SOAR versions below 8.6.0, an unauthenticated user who can observe or alter network traffic between
CVE-2026-76366 MEDIUM 6.5 UPGRADE In Splunk SOAR versions below 8.6.0, a user with a valid Splunk SOAR account could use Representational State
CVE-2026-76365 MEDIUM 6.5 UPGRADE In Splunk SOAR versions below 8.6.0, a user who holds the "Automation Engineer" Splunk SOAR role could run arb

References

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