CVE-2026-50549: Cursor is a code editor built for programming with AI

Q: How do I fix CVE-2026-50549?

cursor: upgrade to 3.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-50549 being exploited?

CVE-2026-50549 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-2026-50549 affect?

CVE-2026-50549 affects cursor. Severity is critical (CVSS 9.8). Cursor is a code editor built for programming with AI. Prior to 3.0, Cursor runs agent terminal commands in a sandbox by default. Before a Write, the agent canonicalizes the target path to confirm it stays inside the workspace, but when can

Q: How urgent is CVE-2026-50549?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-50549 is a critical-severity flaw (CVSS 9.8) affecting cursor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cursor is a code editor built for programming with AI. Prior to 3.0, Cursor runs agent terminal commands in a sandbox by default. Before a Write, the agent canonicalizes the target path to confirm it stays inside the workspace, but when canonicalization fails it falls back to the original path and writes without approval. A malicious agent can create an in-workspace symlink that points outside the workspace and force canonicalization to fail — ei

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-59
Published	2026-06-25
Last modified	2026-06-26

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

Last updated 2026-06-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-25 19:16 UTCPublished CVE record published
2026-06-26 16:51 UTCUpdated Record last modified

anysphere cursor UPGRADE

Affected: < 3.0

Fixed in: 3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cursor

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-2026-50549?

cursor: upgrade to 3.0. Exact commands for each OS are on this page.

Is CVE-2026-50549 being exploited?

CVE-2026-50549 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-2026-50549 affect?

CVE-2026-50549 affects cursor. Severity is critical (CVSS 9.8). Cursor is a code editor built for programming with AI. Prior to 3.0, Cursor runs agent terminal commands in a sandbox by default. Before a Write, the agent canonicalizes the target path to confirm it stays inside the workspace, but when can

How urgent is CVE-2026-50549?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-63093 HIGH 8.8 UPGRADE Cursor for Windows version 3.2.16 contains a binary planting vulnerability that allows remote attackers to ach
CVE-2026-50548 CRITICAL 9.8 UPGRADE Cursor is a code editor built for programming with AI

References

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