GitHub CLI: Partial token disclosure in `gh auth status` output

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-64652
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-06 22:18:13 UTC
Updated2026-08-07 18:17:20 UTC
DescriptionGitHub CLI (gh) is GitHub's official command line tool. Prior to version 2.97.0, gh auth status masked only the characters after the last underscore in certain fine-grained personal access tokens and GitHub App tokens. As a result, part of an affected token could appear in terminal or CI output that is captured or shared. Authenticated users are affected if they ran gh auth status (without the --show-token flag) with a token type whose format contains an underscore after the prefix. This includes fine-grained personal access tokens (github_pat_*) and GitHub App installation and user access tokens (ghs_*, ghu_*; for example, ghs_<APPID>_<JWT>), as well as the Actions GITHUB_TOKEN. Classic tokens such as gho_* and ghp_* have an underscore-free body and are not affected. This issue is fixed in version 2.97.0.

Risk And Classification

Primary CVSS: v3.1 3.3 LOW from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.001170000 probability, percentile 0.019360000 (date 2026-08-10)

Problem Types: CWE-201 | CWE-201 CWE-201: Insertion of Sensitive Information Into Sent Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Cli Cli affected < 2.97.0 Not specified

References

ReferenceSourceLinkTags
github.com/cli/cli/commit/3f6a16a9f8c7fe9676aa8d8f47b399310dd231c3 [email protected] github.com
github.com/cli/cli/releases/tag/v2.97.0 [email protected] github.com
github.com/cli/cli/security/advisories/GHSA-cg6r-mpgc-h9mm [email protected] github.com
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