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CVE-2021-26543

27
FAUCET Score

CVE-2021-26543 describes a command injection vulnerability in the "gitDiff" function of Wayfair's git-parse library, affecting versions 1.0.4 and earlier. This critical flaw (CVSS 8.8 HIGH) allows unauthenticated attackers to execute arbitrary commands by manipulating user input, potentially leading to full compromise of the affected system. While the vulnerability is patched in version 1.0.5, there is currently no public exploit code, active exploitation, or significant community discussion reported.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.5CPE matchmatch criteria
cpe:2.3:a:wayfair:git-parse:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.46%
Probability of exploitation in next 30 days
EPSS Percentile
82.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0246 is in the 82nd percentile among its peer group of 14,855 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

npmpatch availablevia ghsa
Product: git-parseFixed in: 1.0.5

Vendor Advisories (1)

npmGHSA-m744-2jj8-vpfvhigh

Command injection in git-parse

Feb 10, 2022

References

advisory.checkmarx.net / advisory/CX-2020-4302
ExploitThird Party Advisory
npmjs.com / package/git-parse
ProductThird Party Advisory