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CVE-2026-27837

31
FAUCET Score

CVE-2026-27837 is a critical prototype pollution vulnerability

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.4, < 2.0.7CPE matchmatch criteria
cpe:2.3:a:dottie_project:dottie:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 3rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: dottieFixed in: 2.0.7

Vendor Advisories (1)

npmGHSA-r5mx-6wc6-7h9wmedium

dottie is vulnerable to Prototype Pollution bypass via non-first path segments in set() and transform()

Feb 26, 2026

References

github.com / advisories/GHSA-4gxf-g5gf-22h4
Not Applicable
github.com / mickhansen/dottie.js/commit/7e8fa1345a4b46325f0eab8d7aeb1c4deaefdb14
Patch
github.com / mickhansen/dottie.js/security/advisories/GHSA-r5mx-6wc6-7h9w
ExploitVendor Advisory