What is CVE-2025-49597?

CVE-2025-49597 is a low-severity vulnerability in Handcraftedinthealps Goodby-Csv, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 3.9/10. Published 2025-06-13.

How severe is CVE-2025-49597?

Low severity. CVSS v3 base score is 3.9 out of 10.

Vulnerability in Handcraftedinthealps Goodby-Csv

CVE-2025-49597

handcraftedinthealps goodby-csv is a highly memory efficient, flexible and extendable open-source CSV import/export library. Prior to 1.4.3, goodby-csv could be used as part of a chain of methods that is exploitable when an insecure deserialization vulnerability exists in an application. This so-called "gadget chain" presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability. The problem is patched with Version 1.4.3.

Vulnerability class: Mass Assignment

EPSS: 0.002 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Handcraftedinthealps Goodby-csv — versions < 1.4.3

Weakness classification (CWE)

CWE-915 — Improperly Controlled Modification of Dynamically-Determined Object Attributes

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-49597?: CVE-2025-49597 is a low-severity vulnerability in Handcraftedinthealps Goodby-Csv, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 3.9/10. Published 2025-06-13.
How severe is CVE-2025-49597?: Low severity. CVSS v3 base score is 3.9 out of 10.