CVE-2021-44908
Prototype Pollution in Sails.js
SailsJS Sails.js <=1.4.0 is vulnerable to Prototype Pollution via controller/load-action-modules.js, function loadActionModules().
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
NVD Score used
SailsJS Sails.js <=1.4.0 is vulnerable to Prototype Pollution via controller/load-action-modules.js, function loadActionModules().
- Record
CVE-2021-44908- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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-1321
- Updated
- 2026-11-02
CVE List No score
SailsJS Sails.js <=1.4.0 is vulnerable to Prototype Pollution via controller/load-action-modules.js, function loadActionModules().
- Record
CVE-2021-44908- Updated
- 2026-11-02
EUVDEUVD-2022-1385 No score
SailsJS Sails.js <=1.4.0 is vulnerable to Prototype Pollution via controller/load-action-modules.js, function loadActionModules().
- Record
EUVD-2022-1385- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8v3j-jfg3-v3fv
Prototype Pollution in Sails.js
Sails.js <= 1.5.2 is vulnerable to Prototype Pollution via controller/load-action-modules.js, function loadActionModules(). A patch is available in the master branch of Sails.js's GItHub repository.
- Record
GHSA-8v3j-jfg3-v3fv- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSV
SailsJS Sails.js <=1.4.0 is vulnerable to Prototype Pollution via controller/load-action-modules.js, function loadActionModules().
- Record
CVE-2021-44908- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-8v3j-jfg3-v3fv
Prototype Pollution in Sails.js
Sails.js <= 1.5.2 is vulnerable to Prototype Pollution via controller/load-action-modules.js, function loadActionModules(). A patch is available in the master branch of Sails.js's GItHub repository.
- Record
GHSA-8v3j-jfg3-v3fv- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
sailsnpm |
through 1.5.2 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-44908 is a critical vulnerability (CVSS 9.8) in Sailsjs Sails, published March 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.83%, the 78th percentile. No source names a fixed version.
References
github.com/Marynk/JavaScript-vulnerability-detection/blob/main/sailsJS%20PoC.zip
nvd.nist.gov/vuln/detail/CVE-2021-44908