CVE-2026-102697

Summary

Ollama versions 0.14.0 before 0.31.2 contain an incorrect authorization vulnerability in the experimental agent mode Bash tool approval mechanism that fails to properly parse shell syntax. Attackers who can influence model output through prompt injection can execute additional shell commands by appending control operators like semicolons or logical operators to approved commands, bypassing the session approval requirement.

Affected Software

Weaknesses

• CWE-863: Incorrect Authorization

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://github.com/ollama/ollama/commit/a2b3a5e9a3956bc0700a8505580c11faf4da09b5
• https://github.com/ollama/ollama/releases/tag/v0.31.2
• https://github.com/ollama/ollama/blob/v0.31.1/x/agent/approval.go#L204-L206
• https://github.com/ollama/ollama/blob/v0.31.1/x/agent/approval.go#L389
• https://github.com/ollama/ollama
• https://www.vulncheck.com/advisories/ollama-0.14.0-before-0.31.2-experimental-agent-bash-approval-bypass-via-prefix-based-authorization

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