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VulnerabilityPublished

CVE-2026-20259: Splunk Enterprise · The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Affects Splunk EnterpriseSource CVE Database V5

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Not known to be exploited · CVSS 5.5 Medium : upgrade to 10.2.4 or 10.0.7 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 10.2.4, 10.0.7, 10.3.2512.12 +4
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
SplunkSplunk EnterpriseAffected
  • >=10.2 <10.2.4
Fixed in
  • 10.2.4
SplunkSplunk EnterpriseAffected
  • >=10.0 <10.0.7
Fixed in
  • 10.0.7
SplunkSplunk Cloud PlatformAffected
  • >=10.3.2512 <10.3.2512.12
Fixed in
  • 10.3.2512.12
SplunkSplunk Cloud PlatformAffected
  • >=10.2.2510 <10.2.2510.15
Fixed in
  • 10.2.2510.15
SplunkSplunk Cloud PlatformAffected
  • >=10.1.2507 <10.1.2507.23
Fixed in
  • 10.1.2507.23
SplunkSplunk Cloud PlatformAffected
  • >=10.0.2503 <10.0.2503.14
Fixed in
  • 10.0.2503.14

AI-suggested

If you cannot patch yet, restrict the assignment of the 'edit_saved_search_owner' capability to trusted administrators only and monitor for unusual reassignment activity. Follow vendor advisories closely for updates on patches or official mitigations.

Description

In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control.

References

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