AWS CLI up to 1.44.77/2.34.28 File Permission permission assignment

Summaryinfo

A vulnerability marked as problematic has been reported in AWS CLI up to 1.44.77/2.34.28. Affected by this issue is some unknown functionality of the component File Permission Handler. This manipulation causes permission assignment. This vulnerability appears as CVE-2026-13769. The attack requires local access. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in AWS CLI up to 1.44.77/2.34.28 and classified as problematic. Affected by this vulnerability is an unknown code of the component File Permission Handler. The manipulation with an unknown input leads to a permission assignment vulnerability. The CWE definition for the vulnerability is CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-13769 since 06/29/2026. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.44.78 or 2.34.29 eliminates this vulnerability. The upgrade is hosted for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• AWS

Name

• CLI

Version

• 1.44.0
• 1.44.1
• 1.44.2
• 1.44.3
• 1.44.4
• 1.44.5
• 1.44.6
• 1.44.7
• 1.44.8
• 1.44.9
• 1.44.10
• 1.44.11
• 1.44.12
• 1.44.13
• 1.44.14
• 1.44.15
• 1.44.16
• 1.44.17
• 1.44.18
• 1.44.19
• 1.44.20
• 1.44.21
• 1.44.22
• 1.44.23
• 1.44.24
• 1.44.25
• 1.44.26
• 1.44.27
• 1.44.28
• 1.44.29
• 1.44.30
• 1.44.31
• 1.44.32
• 1.44.33
• 1.44.34
• 1.44.35
• 1.44.36
• 1.44.37
• 1.44.38
• 1.44.39
• 1.44.40
• 1.44.41
• 1.44.42
• 1.44.43
• 1.44.44
• 1.44.45
• 1.44.46
• 1.44.47
• 1.44.48
• 1.44.49
• 1.44.50
• 1.44.51
• 1.44.52
• 1.44.53
• 1.44.54
• 1.44.55
• 1.44.56
• 1.44.57
• 1.44.58
• 1.44.59
• 1.44.60
• 1.44.61
• 1.44.62
• 1.44.63
• 1.44.64
• 1.44.65
• 1.44.66
• 1.44.67
• 1.44.68
• 1.44.69
• 1.44.70
• 1.44.71
• 1.44.72
• 1.44.73
• 1.44.74
• 1.44.75
• 1.44.76
• 1.44.77
• 2.34.0
• 2.34.1
• 2.34.2
• 2.34.3
• 2.34.4
• 2.34.5
• 2.34.6
• 2.34.7
• 2.34.8
• 2.34.9
• 2.34.10
• 2.34.11
• 2.34.12
• 2.34.13
• 2.34.14
• 2.34.15
• 2.34.16
• 2.34.17
• 2.34.18
• 2.34.19
• 2.34.20
• 2.34.21
• 2.34.22
• 2.34.23
• 2.34.24
• 2.34.25
• 2.34.26
• 2.34.27
• 2.34.28

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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