Ollama vulnerable to path traversal leading to remote code execution
Ollama
Ollama contains a path traversal vulnerability in the api pull endpoint due to insufficient layer digest validation. An unauthenticated attacker can write arbitrary files and achieve remote code execution under certain conditions.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- CVSS
- 9.4
- EPSS
- 0.01 · top 46% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 8 Oct 2026
- last update
- 8 Oct 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-10-08CVE-2026-103663: Ollama is vulnerable to path traversal in the `/api/pull` endpoint due to insufficient validation of layer digests by the…NVD · nvd.nist.gov/vuln/detail/CVE-2026-103663
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Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 8 Oct 2026 · first reported 8 Oct 2026
- origin
- NVDVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 06:33Z · updated 2026-10-18 06:33Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
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the brief as text
# Ollama vulnerable to path traversal leading to remote code execution https://gcdradar.vercel.app/incidents/ollama-vulnerable-to-path-traversal-leading-to-remote-code-e · AIR-2026-0285 · closed 2026-10-08 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-10-08 - AI role: Attack on AI - Products: Ollama - CVE ids: CVE-2026-103663 - CVSS: 9.4 ## Summary Ollama contains a path traversal vulnerability in the api pull endpoint due to insufficient layer digest validation. An unauthenticated attacker can write arbitrary files and achieve remote code execution under certain conditions. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-10-08: CVE-2026-103663: Ollama is vulnerable to path traversal in the `/api/pull` endpoint due to insufficient validation of layer digests by the… (https://nvd.nist.gov/vuln/detail/CVE-2026-103663) ## Sources - 2026-10-08 NVD: CVE-2026-103663: Ollama is vulnerable to path traversal in the `/api/pull` endpoint due to insufficient validation of layer digests by the… https://nvd.nist.gov/vuln/detail/CVE-2026-103663 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
Related
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Patch now · Disclosed · since 12 Oct 2026 · CVE-2026-108836
AI - closed8.5Ollama CVE-2026-102697: Ollama Agent Mode Bash Tool Authorization Bypass
Patch now · Disclosed · since 29 Sep 2026 · CVE-2026-102697
AI - closed4.3Ollama CVE-2026-86289: Integer overflow vulnerability in Ollama GGUF decoder
Patch now · Disclosed · since 7 Sep 2026 · CVE-2026-86289
AI - closed7.1Langflow IBM Langflow OSS Server-Side Request Forgery vulnerability in Ollama provider
Patch now · Disclosed · since 5 Aug 2026 · CVE-2026-9081
AI - closed8.7Ollama CVE-2026-65315: Uncontrolled Memory Allocation in Ollama GGUF Parser
Patch now · Disclosed · since 21 Jul 2026 · CVE-2026-65315
AI - closed7.5Ollama CVE-2026-15685: Ollama downloadBlob Denial-of-Service Vulnerability
Patch now · Disclosed · since 13 Jul 2026 · CVE-2026-15685
AI