Vulnerability · Published Jul 1, 2026 · Assigned by AMZN

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

Medium 5.5

In plain English

A medium-severity incorrect permission assignment in AWS CLI from AWS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)0.2%top 93.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	awscli	1.44.78	GHSA-wfp6-f47h-hxc3
PyPI	awscli	1.44.78	PYSEC-2026-3548

Affected products (as reported)

Vendor	Product	Versions
AWS	AWS CLI	0 – through 1.44.770 – through 2.34.28

Weakness: CWE-732 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

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