CVE-2023-23765

Incorrect comparison vulnerability in GitHub Enterprise Server leading to commit smuggling

MEDIUM
6.5
CVSS Score
Published: August 30, 2023 at 10:33 PM UTC
Updated: June 17, 2026 at 05:37 AM UTC
1 product affected across 1 vendorGitHub Enterprise Server

Using Enterprise Server by GitHub?

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

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff in a re-opened Pull Request. To exploit this vulnerability, an attacker would need write access to the repository. This vulnerability was reported via the GitHub Bug Bounty Program https://bounty.github.com/ .

Affected

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

3.6.0 ≤ v < 3.6.163.7.0 ≤ v < 3.7.133.8.0 ≤ v < 3.8.63.9.0 ≤ v < 3.9.13.6.03.7.03.8.03.9.0
Affected range stops below 3.6.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.7.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.8.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.9.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-697

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.

Free plan, no card