CVE-2026-23653: Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visu

Q: How do I fix CVE-2026-23653?

github copilot chat: upgrade to 0.37.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-23653 being exploited?

CVE-2026-23653 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-23653 affect?

CVE-2026-23653 affects github copilot chat. Severity is medium (CVSS 5.7). Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an authorized attacker to disclose information over a network.

Q: How urgent is CVE-2026-23653?

Priority 39/100. On your watchlist

Routine

MEDIUM 5.7WATCHLISTUPGRADE

CVE-2026-23653 is a medium-severity flaw (CVSS 5.7) affecting github copilot chat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an authorized attacker to disclose information over a network.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.7 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-77
Published	2026-04-14
Last modified	2026-10-26

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-14 18:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

microsoft github copilot chat UPGRADE

Affected: < 0.37.3

Fixed in: 0.37.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy github-copilot-chat || rpm -q github-copilot-chat || github-copilot-chat --version

2. UPGRADE to 0.37.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade github-copilot-chat

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade github-copilot-chat

Note

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

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-2026-23653?

github copilot chat: upgrade to 0.37.3. Exact commands for each OS are on this page.

Is CVE-2026-23653 being exploited?

CVE-2026-23653 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-2026-23653 affect?

CVE-2026-23653 affects github copilot chat. Severity is medium (CVSS 5.7). Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an authorized attacker to disclose information over a network.

How urgent is CVE-2026-23653?

Priority 39/100. On your watchlist

Software pages

GitHub vulnerabilities · Visual Studio vulnerabilities

Related CVEs

CVE-2026-50519 MEDIUM 6.5 MITIGATE Initialization of a resource with an insecure default in GitHub Copilot and Visual Studio Code allows an unaut
CVE-2026-65675 HIGH 7.1 MITIGATE No cwe for this issue in Visual Studio Code CoPilot Chat Extension allows an unauthorized attacker to bypass a

References

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