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CVE-2026-20298 is an information disclosure vulnerability in Splunk Enterprise and Splunk Cloud Platform. In affected versions, a low-privileged authenticated user who does not have the Splunk 'admin' or 'power' roles can access the /servicesNS/-/-/storage/passwords REST endpoint through the |rest Search Processing Language command and receive results containing the encr_password field. Because that field is returned to unauthorized users, stored credential hashes can be disclosed. The issue affects Splunk Enterprise versions prior to 10.4.1, 10.2.5, 10.0.8, and 9.4.13, and Splunk Cloud Platform versions prior to 10.5.2605.0, 10.4.2604.6, 10.3.2512.15, 10.2.2510.18, and 10.1.2507.24.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
mask_encr_password = true in limits.conf under the [storage_passwords_masking] stanza and restart Splunk Enterprise to prevent the encr_password field from being exposed through this path. If immediate upgrading is not possible, restrict access to SPL search capabilities and closely limit low-privileged user access until fixed versions are deployed.Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A medium-severity information disclosure vulnerability in Splunk products that could allow attackers to view stored credential hashes.
A medium-severity information disclosure vulnerability in Splunk that allows a low-privileged authenticated user to access stored credential hashes via the storage/passwords REST endpoint through SPL.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.