CVE-2023-1936Public exploitNetwork attack vector

Guest-level email disclosure via unchecked issues API

Published Jul 11, 2023 · Updated Nov 12, 2024

Improper access control in GitLab 13.7 through 15.11.9, 16.0 through 16.0.5, and 16.1.0 allows remote authenticated users to read creator emails. The issues API returns service_desk_reply_to without enforcing the Reporter-level redaction applied to Service Desk views. A Guest account, enabled Service Desk, and public ticket are required; exploitation discloses the creator's email address without changing data.

CVSS severity3.5
Low
EPSS probability0.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in GitLab 13.7 through 15.11.9, 16.0 through 16.0.5, and 16.1.0 allows remote authenticated users to read creator emails. The issues API returns service_desk_reply_to without enforcing the Reporter-level redaction applied to Service Desk views. A Guest account, enabled Service Desk, and public ticket are required; exploitation discloses the creator's email address without changing data.

The record

CVE
CVE-2023-1936
Published
Jul 11, 2023
Updated
Nov 12, 2024
Vendor
GitLab
Product
GitLab
Classifications
CWE-359, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 12, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=13.7 <15.11.10
  2. Affected versionversion=16.0 <16.0.6
  3. Affected versionversion=16.1 <16.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=13.7 <15.11.10; version=16.0 <16.0.6; version=16.1 <16.1.1

Published CVSS scores

3.5GitLabCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-359Exposure of Private Personal Information to an Unauthorized Actor
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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