Vulnerability record · CVE-2012-2055 · published 5 April 2012

CVE-2012-2055: Github improper control of dynamically-managed code vulnerability

Github · Github

GitHub Enterprise before 20120304 does not properly restrict the use of a hash to provide values for a model's attributes, which allows remote attackers to set the public_key[user_id] value via a modified URL for the public-key update form, related to a "mass assignment" vulnerability.

7.5 CVSS 3.1 High EPSS 1.8% · top 22.1% CWE-913 · Improper control of dynamically-managed code

7.5CVSS 3.1 base score, v2 5.0

1.8%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

8References

16 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Github Github

References

Link	Tags
http://homakov.blogspot.com/2012/03/how-to.html	Issue Tracking
http://lwn.net/Articles/488702/	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/74812	Third Party AdvisoryVDB Entry
https://github.com/blog/1068-public-key-security-vulnerability-and-mitigation	Vendor Advisory
http://homakov.blogspot.com/2012/03/how-to.html	Issue Tracking
http://lwn.net/Articles/488702/	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/74812	Third Party AdvisoryVDB Entry
https://github.com/blog/1068-public-key-security-vulnerability-and-mitigation	Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-2055), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.