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CRITICAL

CVE-2023-26143

CVSS v3

9.1

CRITICAL

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Versions of the package blamer before 1.0.4 are vulnerable to Arbitrary Argument Injection via the blameByFile() API. The library does not sanitize for user input or validate the given file path conforms to a specific schema, nor does it properly pass command-line flags to the git binary using the double-dash POSIX characters (--) to communicate the end of options.

Technical details

Published
2023-09-19

Frequently asked questions

What is CVE-2023-26143?

Versions of the package blamer before 1.0.4 are vulnerable to Arbitrary Argument Injection via the blameByFile() API. The library does not sanitize for user input or validate the given file path conforms to a specific schema, nor does it properly pass command-line flags to the git binary using the double-dash POSIX characters (--) to communicate the end of options.

Is CVE-2023-26143 actively exploited?

Active exploitation of CVE-2023-26143 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-26143?

CVE-2023-26143 has a CVSS v3 base score of 9.1 (CRITICAL severity).

Is CVE-2023-26143 affecting your environment?

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