CVE-2022-24783
Sandbox bypass leading to arbitrary code execution in Deno
Deno is a runtime for JavaScript and TypeScript. The versions of Deno between release 1.18.0 and 1.20.2 (inclusive) are vulnerable to an attack where a malicious actor controlling the code executed in a Deno runtime could bypass all permission checks and execute arbitrary shell code. This vulnerability does not affect users of Deno Deploy. The vulnerability has been patched in Deno 1.20.3. There is no workaround. All users are recommended to upgrade to 1.20.3 immediately.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Sandbox bypass leading to arbitrary code execution in Deno
Deno is a runtime for JavaScript and TypeScript. The versions of Deno between release 1.18.0 and 1.20.2 (inclusive) are vulnerable to an attack where a malicious actor controlling the code executed in a Deno runtime could bypass all permission checks and execute arbitrary shell code. This vulnerability does not affect users of Deno Deploy. The vulnerability has been patched in Deno 1.20.3. There is no workaround. All users are recommended to upgrade to 1.20.3 immediately.
- Record
CVE-2022-24783- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2022-1369
Deno is a runtime for JavaScript and TypeScript. The versions of Deno between release 1.18.0 and 1.20.2 (inclusive) are vulnerable to an attack where a malicious actor controlling the code executed in a Deno runtime could bypass all permission checks and execute arbitrary shell code. This vulnerability does not affect users of Deno Deploy. The vulnerability has been patched in Deno 1.20.3. There is no workaround. All users are recommended to upgrade to 1.20.3 immediately.
- Record
EUVD-2022-1369- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-838h-jqp6-cf2f
Sandbox bypass leading to arbitrary code execution in Deno
Impact
The versions of Deno between release 1.18.0 and 1.20.2 (inclusive) are vulnerable to an attack where a malicious actor controlling the code executed in a Deno runtime could bypass permission checks and execute arbitrary shell code.
There is no evidence that this vulnerability has been exploited in the wild.
This vulnerability does not affect users of Deno Deploy.
Patches
The vulnerability has been patched in Deno 1.20.3.
Workarounds
There is no workaround. All users are recommended to upgrade to 1.20.3 immediately
The cause of this error was that certain FFI operations did not correctly check for permissions. The issue was fixed in this pull request.
- Record
GHSA-838h-jqp6-cf2f- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-269, CWE-863
- Updated
- 2026-11-02
NVD
Deno is a runtime for JavaScript and TypeScript. The versions of Deno between release 1.18.0 and 1.20.2 (inclusive) are vulnerable to an attack where a malicious actor controlling the code executed in a Deno runtime could bypass all permission checks and execute arbitrary shell code. This vulnerability does not affect users of Deno Deploy. The vulnerability has been patched in Deno 1.20.3. There is no workaround. All users are recommended to upgrade to 1.20.3 immediately.
- Record
CVE-2022-24783- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-269, CWE-863
- Updated
- 2026-11-02
OSV
Sandbox bypass leading to arbitrary code execution in Deno
Deno is a runtime for JavaScript and TypeScript. The versions of Deno between release 1.18.0 and 1.20.2 (inclusive) are vulnerable to an attack where a malicious actor controlling the code executed in a Deno runtime could bypass all permission checks and execute arbitrary shell code. This vulnerability does not affect users of Deno Deploy. The vulnerability has been patched in Deno 1.20.3. There is no workaround. All users are recommended to upgrade to 1.20.3 immediately.
- Record
CVE-2022-24783- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
OSVGHSA-838h-jqp6-cf2f
Sandbox bypass leading to arbitrary code execution in Deno
Impact
The versions of Deno between release 1.18.0 and 1.20.2 (inclusive) are vulnerable to an attack where a malicious actor controlling the code executed in a Deno runtime could bypass permission checks and execute arbitrary shell code.
There is no evidence that this vulnerability has been exploited in the wild.
This vulnerability does not affect users of Deno Deploy.
Patches
The vulnerability has been patched in Deno 1.20.3.
Workarounds
There is no workaround. All users are recommended to upgrade to 1.20.3 immediately
The cause of this error was that certain FFI operations did not correctly check for permissions. The issue was fixed in this pull request.
- Record
GHSA-838h-jqp6-cf2f- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-269, CWE-863
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
denocrates.io |
1.18.0 up to 1.20.3 | 1.20.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-24783 is a critical vulnerability (CVSS 10.0) in Deno, published March 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.15%, the 66th percentile. Fixed in deno 1.20.3.
References
github.com/denoland/deno/security/advisories/GHSA-838h-jqp6-cf2f
nvd.nist.gov/vuln/detail/CVE-2022-24783