Ollama

12 CVEs across 2 Ollama products. Browse Ollama vulnerabilities, severities, and proof-of-concept exploits.

Ollama products with known CVEs

ProductCVEs
Ollama26
Ollama/ollama7
Ollama CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-65315High7.52026-07-21Ollama (HEAD f0078ae) contains an uncontrolled memory allocation vulnerability in the GGUF metadata parser that allows remote attackers to crash the server by…
CVE-2026-15685High7.52026-07-13Ollama downloadBlob Improper Validation of Array Index Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-servic…
CVE-2026-5757High7.52026-06-26Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and exfiltrate the server's heap m…
CVE-2026-7482Critical9.12026-05-04Ollama before 0.17.1 contains a heap out-of-bounds read vulnerability in the GGUF model loader. The /api/create endpoint accepts an attacker-supplied GGUF file…
CVE-2026-42249Critical9.82026-04-29Ollama for Windows contains a Remote Code Execution vulnerability in its update mechanism due to improper handling of attacker‑controlled HTTP response headers…
CVE-2026-42248Critical9.82026-04-29Ollama for Windows does not perform integrity or authenticity verification of downloaded update executables. Unlike other platforms, the Windows implementation…
CVE-2026-7020Low3.72026-04-26A security flaw has been discovered in Ollama up to 0.20.2. This affects the function digestToPath of the file x/imagegen/transfer/transfer.go of the component…
CVE-2025-66960High7.52026-01-21An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the fs/ggml/gguf.go, function readGGUFV1String reads a string length fro…
CVE-2025-66959High7.52026-01-21An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder
CVE-2025-15514High7.52026-01-12Ollama 0.11.5-rc0 through current version 0.13.5 contain a null pointer dereference vulnerability in the multi-modal model image processing functionality. When…
CVE-2025-63389Critical9.82025-12-18A critical authentication bypass vulnerability exists in Ollama platform's API endpoints in versions prior to and including v0.12.3. The platform exposes multi…
CVE-2025-44779Medium6.62025-08-07An issue in Ollama v0.1.33 allows attackers to delete arbitrary files via sending a crafted packet to the endpoint /api/pull.
CVE-2025-51471Medium6.92025-07-22Cross-Domain Token Exposure in server.auth.getAuthorizationToken in Ollama 0.6.7 allows remote attackers to steal authentication tokens and bypass access contr…
CVE-2025-1975High7.52025-05-16A vulnerability in the Ollama server version 0.5.11 allows a malicious user to cause a Denial of Service (DoS) attack by customizing the manifest content and s…
CVE-2025-0317High7.52025-03-20A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to upload and create a customized GGUF model file on the Ollama server. This can lea…
CVE-2025-0315High7.52025-03-20A vulnerability in ollama/ollama <=0.3.14 allows a malicious user to create a customized GGUF model file, upload it to the Ollama server, and create it. This c…
CVE-2025-0312High7.52025-03-20A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to create a customized GGUF model file that, when uploaded and created on the Ollama…
CVE-2024-8063High7.52025-03-20A divide by zero vulnerability exists in ollama/ollama version v0.3.3. The vulnerability occurs when importing GGUF models with a crafted type for `block_count…
CVE-2024-12886High7.52025-03-20An Out-Of-Memory (OOM) vulnerability exists in the `ollama` server version 0.3.14. This vulnerability can be triggered when a malicious API server responds wit…
CVE-2024-12055High7.52025-03-20A vulnerability in Ollama versions <=0.3.14 allows a malicious user to create a customized gguf model file that can be uploaded to the public Ollama server. Wh…
CVE-2024-39722High7.52024-10-31An issue was discovered in Ollama before 0.1.46. It exposes which files exist on the server on which it is deployed via path traversal in the api/push route.
CVE-2024-39721High7.52024-10-31An issue was discovered in Ollama before 0.1.34. The CreateModelHandler function uses os.Open to read a file until completion. The req.Path parameter is user-c…
CVE-2024-39720High8.22024-10-31An issue was discovered in Ollama before 0.1.46. An attacker can use two HTTP requests to upload a malformed GGUF file containing just 4 bytes starting with th…
CVE-2024-39719High7.52024-10-31An issue was discovered in Ollama through 0.3.14. File existence disclosure can occur via api/create. When calling the CreateModel route with a path parameter…
CVE-2024-45436High7.52024-08-29extractFromZipFile in model.go in Ollama before 0.1.47 can extract members of a ZIP archive outside of the parent directory.
CVE-2024-37032High8.82024-05-31Ollama before 0.1.34 does not validate the format of the digest (sha256 with 64 hex digits) when getting the model path, and thus mishandles the TestGetBlobsPa…
CVE-2024-28224Medium6.62024-04-08Ollama before 0.1.29 has a DNS rebinding vulnerability that can inadvertently allow remote access to the full API, thereby letting an unauthorized user chat wi…