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High

SSRF in Splunk Dashboard Studio PDF export

IdentifiersCVE-2026-20252CWE-918· Server-Side Request Forgery (SSRF)

CVE-2026-20252 is a server-side request forgery vulnerability in the Dashboard Studio PDF export feature of Splunk Enterprise and Splunk Cloud Platform. It affects 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. The flaw allows a low-privileged user without the admin or power roles to cause the Splunk server to send HTTP requests to arbitrary internal destinations through the PDF export workflow. The vulnerability is caused by insufficient destination validation in the trusted-domain logic: the implementation uses a prefix-based domain match that can be bypassed with attacker-controlled lookalike subdomains such as docs.splunk.com.evil.com, and the PDF export service follows HTTP redirects without re-validating each redirect target against the allowlist.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows an attacker to use the vulnerable Splunk instance as an SSRF primitive against internal or otherwise restricted network destinations reachable from the server. This can expose internal services and resources, facilitate access to sensitive data returned by those services, and expand an attacker’s visibility into the internal network. Depending on what is reachable from the Splunk host and how target services respond, the flaw could support internal reconnaissance and access to protected application endpoints.

Mitigation

If you can’t patch tonight, do this now.

No vendor workaround is specifically provided in the supplied content. As an interim risk-reduction measure, restrict access to the Dashboard Studio PDF export feature for low-privileged users where possible, enforce strict trusted-domain controls, and reduce unnecessary Splunk Web exposure until fixed versions can be deployed.

Remediation

Patch, then assume compromise.

Upgrade to a fixed release. For Splunk Enterprise, upgrade to 10.2.4 or later, 10.0.7 or later, 9.4.12 or later, or 9.3.13 or later. For Splunk Cloud Platform, upgrade to 10.4.2604.3 or later, 10.3.2512.12 or later, 10.2.2510.14 or later, 10.1.2507.22 or later, or 9.3.2411.132 or later.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
SplunkCloud Platformapplication
SplunkEnterpriseapplication
SplunkSplunkapplication
SplunkSplunk Cloud Platformapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

2 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-20252
NVD
nvd.nist.gov/vuln/detail/CVE-2026-20252
MITRE CWE · CWE-918
Server-Side Request Forgery (SSRF)
Vendor Advisory
advisory.splunk.com/advisories/SVD-2026-0602