{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-20138 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-20138 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-20138 is a medium-severity vulnerability in Splunk Splunk, published on 18 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-20138 and fix it if it is affected.\n\nWhat it is: CVE-2026-20138 is a medium-severity vulnerability in Splunk Splunk, published on 18 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-20138 in the wild and no public exploit code.\n\nAffected product: Splunk Splunk. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-20138/ (Markdown: https://insights.sbomify.com/CVE-2026-20138/index.md)","id":"CVE-2026-20138","markdown":"https://insights.sbomify.com/CVE-2026-20138/index.md","name":"CVE-2026-20138","record":{"aliases":["GHSA-v8wf-h34r-55f7"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["data_read"],"network_reachable":"adjacent_or_local","non_default_config":true,"product_category":"Splunk Enterprise","requires_auth":"high_privilege","summary":"Users with access to the _internal index in Splunk Search Head Clusters can view Duo authentication secrets in plain text.","user_interaction":"not_required","vuln_class":"information_disclosure"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"cisco","cpe":[{"product":"splunk","vendor":"splunk"}],"cvss":{"score":6.8,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-532","name":"Insertion of Sensitive Information into Log File"}],"description":"In Splunk Enterprise versions below 10.2.0, 10.0.2, 9.4.7, 9.3.9, and 9.2.11, a user of a Splunk Search Head Cluster (SHC) deployment who holds a role with access to the Splunk `_internal` index could view the  `integrationKey`, `secretKey`, and `appSecretKey` secrets, generated by [Duo Two-Factor Authentication for Splunk Enterprise](https://duo.com/docs/splunk), in plain text.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Sensitive Information Disclosure in \"_internal\" index in Splunk Enterprise","id":"CVE-2026-20138","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"splunk:splunk","products":["splunk:splunk"],"type":"information_disclosure","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"Denial of service in Splunk Cloud Platform","id":"CVE-2026-20139"},"packages":[],"prev":{"headline":"Risky Commands Safeguards Bypass through preloaded Data Models due to Path Traversal vulnerability in Splunk Enterprise","id":"CVE-2026-20137"},"products":["Splunk Enterprise"],"published":"2026-02-18","related":[{"cvss_score":9.8,"headline":"Splunk Enterprise Missing Authentication for Critical Function","id":"CVE-2026-20253","kev_date_added":"2026-06-18","published":"2026-06-10"},{"cvss_score":9.8,"headline":"Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise","id":"CVE-2026-76268","kev_date_added":null,"published":"2026-10-07"},{"cvss_score":9.8,"headline":"Improper Neutralization in Splunk Enterprise","id":"CVE-2026-76284","kev_date_added":null,"published":"2026-10-07"},{"cvss_score":9.8,"headline":"Improper Adherence to Coding Standards in Splunk Enterprise","id":"CVE-2026-76285","kev_date_added":null,"published":"2026-10-07"},{"cvss_score":9.8,"headline":"Auth bypass in n/a","id":"CVE-2017-17067","kev_date_added":null,"published":"2017-11-30"},{"cvss_score":9.8,"headline":"Information disclosure in n/a","id":"CVE-2016-10126","kev_date_added":null,"published":"2017-01-10"},{"cvss_score":9.4,"headline":"Improper Access Control through Embedded Report REST API Requests in Splunk Enterprise","id":"CVE-2026-76310","kev_date_added":null,"published":"2026-08-19"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-02-26","vendors":["Splunk"]},"summary":"Users with access to the _internal index in Splunk Search Head Clusters can view Duo authentication secrets in plain text.","url":"https://insights.sbomify.com/CVE-2026-20138/"}