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CVE-2026-20297

Path Traversal through 'explicit_appname' in the App Install REST Endpoint in Splunk Enterprise

HIGH
7.2
CVSS Score
Published: July 15, 2026 at 05:18 PM UTC
Updated: July 24, 2026 at 06:30 PM UTC
2 products affected across 1 vendorSplunkSplunk Cloud Platform

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Severity
HIGH7.2
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, 9.4.13, and 9.3.14, and Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.6, 10.2.2510.18, and 10.1.2507.24, a user who holds a role that contains the `edit_local_apps` and `install_apps` capabilities could cause a legitimate app installation to write files outside the intended app directory, into `$SPLUNK_HOME/etc/` and its subdirectories.<br><br>The vulnerability is caused by a path traversal in the app installation workflow, which does not restrict the installation path to the intended app directory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Splunk· Splunk
95%
10.0 ≤ v < 10.0.810.0.0 ≤ v < 10.0.810.2 ≤ v < 10.2.510.2.0 ≤ v < 10.2.510.4 ≤ v < 10.4.19.3 ≤ v < 9.3.149.3.0 ≤ v < 9.3.149.4 ≤ v < 9.4.139.4.0 ≤ v < 9.4.1310.010.210.410.4.09.39.4
Affected range stops below 10.0.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.2.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.3.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.4.13, so it looks safe — our inference, not a vendor statement
Splunk Cloud Platform· Splunk
95%
v < 10.5.2605.010.1.2507 ≤ v < 10.1.2507.2410.2.2510 ≤ v < 10.2.2510.1810.4.2604 ≤ v < 10.4.2604.610.1.250710.2.251010.4.260410.5.2605
Affected range stops below 10.1.2507.24, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.2.2510.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.4.2604.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.5.2605.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://advisory.splunk.com/advisories/SVD-2026-0703

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHcisco
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22

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