CVE-2020-26407

lowpriority · track · 22EPSS 0.008 · 58 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.84% (58th) EPSS

CVSS 3.5 · low

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

A XSS vulnerability exists in Gitlab CE/EE from 12.4 before 13.4.7, 13.5 before 13.5.5, and 13.6 before 13.6.2 that allows an attacker to perform cross-site scripting to other users via importing a malicious project

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.5

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.15.5mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:Lsecondary · ENISA EU

v3.15.5mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:Lsecondary · cve@gitlab.comexploitability 1.3 · impact 3.7

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

affected products (10)

Products and version ranges known to be affected.

GitLab GitLab CE/EE≤ 12.4enisa_euvdEU
GitLab GitLab CE/EE≤ <13.6.2enisa_euvdEU
GitLab GitLab CE/EE≤ 13.5enisa_euvdEU
GitLab GitLab CE/EE≤ 13.6enisa_euvdEU
GitLab GitLab CE/EE≤ <13.4.7enisa_euvdEU
GitLab GitLab CE/EE≤ <13.5.5enisa_euvdEU
gitlab gitlab12.4.0 → 13.4.7nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab13.5.0 → 13.5.5nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab13.6.0 → 13.6.2nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab< 13.6.2osvUSpkg:bitnami/gitlab

advisories (1)

Vendor and ecosystem advisories describing this.

BIT-gitlab-2020-264072024-03-06vendor · osvUS
A XSS vulnerability exists in Gitlab CE/EE from 12.4 before 13.4.7, 13.5 before 13.5.5, and 13.6 before 13.6.2 that allows an attacker to perform cross-site scripting to other users via importing a malicious project

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2020-12-10modified 2026-06-17

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+53007 more

references (12)

External citations — patches, advisories, analysis.

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