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CVE-2021-26275

29
FAUCET Score

CVE-2021-26275 describes a critical command injection vulnerability in the eslint-fixer package (through version 0.1.5) for Node.js, specifically affecting the fix function through shell metacharacters. With a CVSS score of 9.8, this vulnerability allows unauthenticated attackers to achieve complete compromise of confidentiality, integrity, and availability over a network with low attack complexity. While no active exploitation, public exploit code, or significant community discussion has been observed, it's important to note that the affected product is no longer supported by its maintainer and the GitHub repository has been intentionally deleted.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.1.5CPE matchmatch criteria
cpe:2.3:a:eslint-fixer_project:eslint-fixer:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.04%
Probability of exploitation in next 30 days
EPSS Percentile
86.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0304 is in the 77th 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

Vendor Advisories (1)

npmGHSA-45w5-pvr8-4rh5critical

Command injection in eslint-fixer

Apr 13, 2021

References

advisory.checkmarx.net / advisory/CX-2021-4774
ExploitThird Party Advisory
npmjs.com / package/eslint-fixer
Product