CVE-2020-26414

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

An issue has been discovered in GitLab affecting all versions starting from 12.4. The regex used for package names is written in a way that makes execution time have quadratic growth based on the length of the malicious input string.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

Vendor	Product	Versions
GitLab	GitLab	>=12.4, <13.5.6; >=13.6.0, <13.6.4; >=13.7.0, <13.7.2

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26414.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/270199Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26414.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/270199Broken Link

Timeline

Published: Jan 15, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-264154.3Information about the starred projects for private user profiles was exposed via the GraphQL API starting from 12.2 via the REST API. This a CVE-2020-264164.4Information disclosure in Advanced Search component of GitLab EE starting from 8.4 results in exposure of search terms via Rails logs. This CVE-2020-264175.3Information disclosure via GraphQL in GitLab CE/EE 13.1 and later exposes private group and project membership. This affects versions >=13.6 CVE-2020-264185.3Memory leak in Kafka protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted captu CVE-2020-264195.3Memory leak in the dissection engine in Wireshark 3.4.0 allows denial of service via packet injection or crafted capture file.CVE-2020-26426.0Vulnerability in the Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Connector Framework). Supported versi CVE-2020-264205.3Memory leak in RTPS protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted captur CVE-2020-264215.3Crash in USB HID protocol dissector and possibly other dissectors in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet CVE-2020-264225.3Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file CVE-2020-26436.0Vulnerability in the Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Job System). Supported versions that CVE-2020-26446.0Vulnerability in the Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Oracle Management Service). Supported CVE-2020-26456.0Vulnerability in the Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Connector Framework). Supported versi