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TI-2026-05048 Aliases CVE-2026-5757GHSA-c839-jg98-xwx3

There exists an unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine

Priority MEDIUM 40CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and exfiltrate the server's heap memory, potentially leading to sensitive data exposure, further compromise, and stealthy persistence.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00735 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Ollama AIOllamav0.13.5—No fix listedCNA
  • Ollama VendorOllama AI Affected v0.13.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:*up to 0.13.5Vulnerableollama
  • cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:* Versions up to 0.13.5 Vulnerable ·ollama

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 5 products
  • Migration Toolkit for Applications 8
  • Red Hat Ansible Automation Platform 2
  • Red Hat OpenShift AI (RHOAI)
  • Red Hat Trusted Profile Analyzer
  • Red Hat build of Debezium 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5757
  2. 2026-10-03 Alias added: GHSA-c839-jg98-xwx3

References

Advisory 2

Other 1

  • TI-2024-24572 Ollama before 0.1.34 does not validate the format of the digest (sha256 with 64 hex… CVSS 3.1HIGH 8.8
  • TI-2025-14153 Ollama Multi-Modal Model Image Processing NULL Pointer Dereference CVSS 4.0HIGH 8.7
  • TI-2024-26641 An issue was discovered in Ollama before 0.1.46. CVSS 3.1HIGH 8.2
  • TI-2025-41098 An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via… CVSS 3.1HIGH 7.5
  • TI-2025-41097 An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder CVSS 3.1HIGH 7.5
  • TI-2025-01720 Improper Validation of Array Index in ollama/ollama CVSS 3.0HIGH 7.5
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences