CVE-2026-45803: `gh` is GitHub’s official command line tool

Routine

LOW 3.5UPGRADE

CVE-2026-45803 is a low-severity flaw (CVSS 3.5) affecting cli. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

`gh` is GitHub’s official command line tool. From 1.6.0 to before 2.92.0, a security vulnerability has been identified in GitHub CLI that could allow terminal escape sequence injection when users view GitHub Actions workflow logs using gh run view --log or gh run view --log-failed. The vulnerability stems from the way GitHub CLI handles raw Actions log output. The gh run view --log and gh run view --log-failed commands stream workflow log lines t

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-150
Published	2026-05-15
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: github

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-15 16:16 UTCPublished CVE record published
2026-06-17 10:52 UTCUpdated Record last modified

github cli UPGRADE

Affected: >= 1.6.0 and < 2.92.0

Fixed in: 2.92.0

Safe to downgrade to: a release before 1.6.0

1. Check installed version

apt-cache policy cli || rpm -q cli || cli --version

2. UPGRADE to 2.92.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cli

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cli

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 1.6.0 (Debian / Ubuntu)

apt-cache madison cli sudo apt install cli=<VERSION_BEFORE_1.6.0> sudo apt-mark hold cli

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cli sudo dnf downgrade cli-<VERSION_BEFORE_1.6.0> sudo dnf versionlock add cli

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-45803?

cli: upgrade to 2.92.0. Exact commands for each OS are on this page.

Is CVE-2026-45803 being exploited?

CVE-2026-45803 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-45803 affect?

CVE-2026-45803 affects cli. Severity is low (CVSS 3.5). `gh` is GitHub’s official command line tool. From 1.6.0 to before 2.92.0, a security vulnerability has been identified in GitHub CLI that could allow terminal escape sequence injection when users view GitHub Actions workflow logs using gh r

How urgent is CVE-2026-45803?

Priority 20/100. Public exploit reference

Software pages

GitHub vulnerabilities

Related CVEs

CVE-2026-42994 CRITICAL 9.8 DOWNGRADE Bitwarden CLI 2026.4.0 from 2026-04-22T21:57Z to 2026-04-22T23:30Z, when obtained from npm, had embedded malic
CVE-2026-47671 MEDIUM 5.4 UPGRADE Nhost is an open source Firebase alternative with GraphQL
CVE-2026-48501 HIGH 7.4 UPGRADE GitHub CLI (gh) is GitHub’s official command line tool

References

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