CVE-2024-57077
utils-extend Prototype Pollution
The latest version of utils-extend (1.0.8) is vulnerable to Prototype Pollution through the entry function(s) lib.extend. An attacker can supply a payload with Object.prototype setter to introduce or modify properties within the global prototype chain, causing denial of service (DoS) a the minimum consequence.
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
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
The latest version of utils-extend (1.0.8) is vulnerable to Prototype Pollution through the entry function(s) lib.extend. An attacker can supply a payload with Object.prototype setter to introduce or modify properties within the global prototype chain, causing denial of service (DoS) a the minimum consequence.
- Record
CVE-2024-57077- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
EUVDEUVD-2024-53520
The latest version of utils-extend (1.0.8) is vulnerable to Prototype Pollution through the entry function(s) lib.extend. An attacker can supply a payload with Object.prototype setter to introduce or modify properties within the global prototype chain, causing denial of service (DoS) a the minimum consequence.
- Record
EUVD-2024-53520- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7qgg-vw88-cc99
utils-extend Prototype Pollution
The latest version of utils-extend (1.0.8) is vulnerable to Prototype Pollution through the entry function(s) lib.extend. An attacker can supply a payload with Object.prototype setter to introduce or modify properties within the global prototype chain, causing denial of service (DoS) a the minimum consequence.
PoC
async function exploit() {
const utilsextend = require(\"utils-extend\");
const payload = JSON.parse('{\"__proto__\":{\"exploited\":true}}');
const result = await utilsextend.extend({}, payload);
}
await exploit();
- Record
GHSA-7qgg-vw88-cc99- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
NVD
The latest version of utils-extend (1.0.8) is vulnerable to Prototype Pollution through the entry function(s) lib.extend. An attacker can supply a payload with Object.prototype setter to introduce or modify properties within the global prototype chain, causing denial of service (DoS) a the minimum consequence.
- Record
CVE-2024-57077- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVGHSA-7qgg-vw88-cc99
utils-extend Prototype Pollution
The latest version of utils-extend (1.0.8) is vulnerable to Prototype Pollution through the entry function(s) lib.extend. An attacker can supply a payload with Object.prototype setter to introduce or modify properties within the global prototype chain, causing denial of service (DoS) a the minimum consequence.
PoC
async function exploit() {
const utilsextend = require(\"utils-extend\");
const payload = JSON.parse('{\"__proto__\":{\"exploited\":true}}');
const result = await utilsextend.extend({}, payload);
}
await exploit();
- Record
GHSA-7qgg-vw88-cc99- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVCLSA-2026-1771891821 No score
TuxCare security update for utils-extend (2 CVEs)
TuxCare rebuilt utils-extend to address 2 CVEs. Fixed in 1.0.8-tuxcare.1.
- Record
CLSA-2026-1771891821- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
utils-extendnpm |
through 1.0.8 | None known |
utils-extendTuxCare:npm From an advisory covering 2 CVEs |
1.0.8-tuxcare.0 up to 1.0.8-tuxcare.1, plus listed versions 1.0.8 |
1.0.8-tuxcare.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-57077 is a critical vulnerability (CVSS 9.1) in utils-extend, published February 5, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. No source names a fixed version.