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CVE-2026-20252

Server-Side Request Forgery (SSRF) through Dashboard Studio PDF Export in Splunk Enterprise

High7.6EPSS 0.35%
Published
Updated
Reserved
Assigned by
cisco

Description

In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.4.2604.3, 10.3.2512.12, 10.2.2510.14, 10.1.2507.22, and 9.3.2411.132, a low-privileged user that does not hold the "admin" or "power" Splunk roles could send server-side requests to arbitrary internal destinations through the Dashboard Studio PDF export feature. The vulnerability exists because the trusted-domain validation uses a prefix match that can be bypassed with attacker-controlled subdomains (for example, docs.splunk.com.evil.com), and because the PDF export service follows HTTP redirects automatically without re-validating each redirect target against the allowlist.

Timeline

  1. ID reserved

    By cisco

  2. · 8 months later

    Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-20252, by who scored it
Scored byCVSSScoreVector
ciscoCNA (assigner)3.1High7.6CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
NVDNVD · Analyzed3.1High7.6CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
EPSS (exploitation in 30 days)
0.35% · top 72% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.6.

Weakness

Affected products

  • Splunk · Splunk Enterprise

    • affected 10.2 – < 10.2.4
    • affected 10.0 – < 10.0.7
    • affected 9.4 – < 9.4.12
    • affected 9.3 – < 9.3.13

  • Splunk · Splunk Cloud Platform

    • affected 10.4.2604 – < 10.4.2604.3
    • affected 10.3.2512 – < 10.3.2512.12
    • affected 10.2.2510 – < 10.2.2510.14
    • affected 10.1.2507 – < 10.1.2507.22
    • affected 9.3.2411 – < 9.3.2411.132

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .