🛡️ CVE-2024-58354

🔴 CVSS 9.9 — Critical ✅ No Known Exploit CWE-77 NVD
9.9
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

cal.com (calcom repository, later renamed cal.diy) is affected by a repository takeover vulnerability in its GitHub Actions workflows. The workflow pr.yml uses the pull_request_target trigger with the repository's default write permissions and passes them down to check-types.yml. check-types.yml then performs a 'dangerous' checkout of the attacker-submitted pull request code (via the dangerous-git-checkout action) and subsequently executes it (through yarn install and package.json scripts). An attacker can open a pull request whose code runs arbitrary commands with the repository's write-scoped GITHUB_TOKEN, allowing them to push commits, merge or mutate pull requests, add or delete comments, and delete or force-push branches, thereby compromising the repository. The main branch is affected; no patched version is available.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity high, availability high.

Weakness class

CVE-2024-58354 is classified as CWE-77: Command Injection. User input is placed into a command that the system interprets, allowing extra commands to be appended to the intended one.

Affected software

CVE-2024-58354 is recorded against 1 package.

  • unknown

Timeline and source

Published on 23 July 2026 and last revised on 30 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
github.com
www.vulncheck.com
github.com

Details

Severity CRITICAL
CVSS Score 9.9
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H
CWE CWE-77
Public Exploit ✅ No
Source NVD
Published 2026-07-23
Updated 2026-08-11
Modified 2026-07-30
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

Exploit Protection

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