CVE-2023-2620

Insertion of Sensitive Information Into Sent Data in GitLab

LOW

3.8

CVSS Score

Published: July 13, 2023 at 02:11 AM UTC

Updated: June 17, 2026 at 05:53 AM UTC

1 product affected across 1 vendorGitLab

Using GitLab by GitLab?

Get instant alerts when new vulnerabilities affect GitLab - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

LOW3.8

Exploit prediction

EPSS 0.5%

SSVC

PoC

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.1 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1. A maintainer could modify a webhook URL to leak masked webhook secrets by manipulating other masked portions. This addresses an incomplete fix for CVE-2023-0838.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitLab · GitLabmaven

95%

15.1 ≤ v < 15.11.1015.1.0 ≤ v < 15.11.1016.0 ≤ v < 16.0.616.0.0 ≤ v < 16.0.616.1 ≤ v < 16.1.116.1.0 ≤ v < 16.1.115.1 16.0 16.1

Affected range stops below 15.11.10, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.0.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://gitlab.com/gitlab-org/gitlab/-/issues/410433

References (2)

Issue TrackingBroken LinkVendor Advisory

Source: [email protected]

https://gitlab.com/gitlab-org/gitlab/-/issues/410433

Technical DescriptionExploitThird Party Advisory

Source: [email protected]

https://hackerone.com/reports/1976206

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.8LOW[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-201NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card