Red Hat Security Advisory: Red Hat Enterprise Linux AI 3.5.3 enhancement update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 6.9 Medium : upgrade Red Hat to 2.2.0 or 1.30.0 when convenient.
Data as of 13 Nov 2026, 14:36 UTC
- Patch
- Available – fixed in 2.2.0, 1.30.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 14 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade python-sdk to 2.2.0 or 1.30.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| modelcontextprotocolpython-sdk | Affected
| Fixed in
|
| modelcontextprotocolpython-sdk | Affected
| Fixed in
|
AI-suggested
Red Hat recommends limiting network exposure to the vLLM inference service by restricting inbound access to trusted clients or API gateways using firewall rules. In OpenShift AI environments, Kubernetes NetworkPolicies should restrict ingress to authorized pods and block outbound internet access to prevent downloading untrusted remote media. Additionally, enforce maximum request body size limits on upstream reverse proxies or ingress controllers to drop oversized payloads before they reach the inference backend. These mitigations reduce the risk of resource exhaustion attacks. The updated Red Hat Enterprise Linux AI 3.5.3 container images are available and should be deployed. No direct patch for the vLLM component is mentioned, so these mitigations are critical.
Description
A resource exhaustion vulnerability exists in vLLM, a component of Red Hat Enterprise Linux AI, where the system downloads and decodes remote or embedded media files before enforcing size and quantity limits. An attacker can exploit this by submitting requests with excessively large or numerous media payloads, causing excessive memory and network bandwidth consumption. This can lead to denial of service (DoS), making the inference service unresponsive or causing it to crash. The vulnerability does not allow code execution or data exposure. Mitigations include restricting network access to the inference service, blocking outbound connections to prevent fetching untrusted media, and enforcing request size limits on proxies.
References
- access.redhat.com/errata/RHSA-2026:96333 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-100650 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-111063 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-111064 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-111065 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-111066 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-111748 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-111750 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112390 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112391 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112392 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112393 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112394 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112395 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112396 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112397 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112398 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112399 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112400 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-112401 (opens in a new tab)