CVE-2020-26413

mediumpriority · track · 43EPSS 0.349 · 98 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

34.9% (98th) EPSS

CVSS 5 · medium

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-26

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4 before 13.6.2. Information disclosure via GraphQL results in user email being unexpectedly visible.

cvss

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

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · cve@gitlab.comexploitability 3.9 · impact 1.4

v3.15.2mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

Kento-Sec/GitLab-Graphql-CVE-2020-26413GitLab-Graphql-CVE-2020-26413 POCPoC · poc_in_github

affected products (7)

Products and version ranges known to be affected.

GitLab GitLab CE/EE13.4, → 13.4.7enisa_euvdEU
GitLab GitLab CE/EE13.5, → 13.5.5enisa_euvdEU
GitLab GitLab CE/EE13.6, → 13.6.2enisa_euvdEU
gitlab gitlab13.4.0 → 13.6.2nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab13.4.0 → 13.4.7osvUSpkg:bitnami/gitlab
Bitnami gitlab13.5.0 → 13.5.5osvUSpkg:bitnami/gitlab
Bitnami gitlab13.6.0 → 13.6.2osvUSpkg:bitnami/gitlab

advisories (1)

Vendor and ecosystem advisories describing this.

BIT-gitlab-2020-264132024-03-06vendor · osvUS
An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4 before 13.6.2. Information disclosure via GraphQL results in user email being unexpectedly visible.

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 2020-12-11modified 2026-06-17

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+19360 more

references (10)

External citations — patches, advisories, analysis.

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