High [CVE-2026-38974] Missing SSH host key verification allows potential impersonation
This high-severity Red Hat Linux advisory covers CVE-2026-38974 affecting Red Hat OpenShift AI 3.4, Red Hat Ansible Automation Platform 2.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Summary
Dulwich through 1.1.0 was found to be missing SSH host key verification in contrib/paramiko_vendor.py. This vulnerability allows a remote attacker to impersonate a legitimate Git server.
By doing so, the attacker could potentially intercept sensitive information or execute arbitrary code on the client system during a connection. Exploitation requires user interaction, specifically connecting to a malicious Git server.
Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-322.
Affected Red Hat products: Red Hat OpenShift AI 3.4; Red Hat Ansible Automation Platform 2. Will not fix / out of support: Red Hat Ansible Automation Platform 2.
Red Hat fixing advisory: RHSA-2026:84734.
Is CVE-2026-38974 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-38974 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-38974?
Upgrade to a fixed release named by Red Hat:
- rhoai/odh-kserve-storage-initializer-rhel9:1790958549
- RHSA-2026:84734
Confirm against the vendor advisory before you patch.
- 1.1.0
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
- rhoai/odh-kserve-storage-initializer-rhel9:1790958549
- RHSA-2026:84734
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
Get an email when Red Hat Linux publishes the next one.
See Red Hat Linux's last 90 days of advisories first. Then choose one product with live alerts free for life, or a free month of real-time alerts on everything with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).
More Red Hat Linux advisories
- CVE-2026-64849Aug 17, 2026Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed
- CVE-2026-48710May 26, 2026Security restriction bypass via malformed HTTP Host header
- CVE-2026-42271May 8, 2026Authenticated command execution via MCP stdio test endpoints
- CVE-2026-119977Oct 31, 2026Arbitrary code execution via predictable upgrade staging paths
- CVE-2026-111497Oct 22, 2026Out-of-Bounds Write in Google Brotli Decoder
- CVE-2026-109619Oct 21, 2026fatal error handling retains stale request state leading to use-after-free
iPhone and Android apps · New on the App Store
Monitor future Red Hat Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.