HOMEVULNERABILITIESCVE-2023-50728
HIGH

CVE-2023-50728

CWE-755Published: December 15, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

octokit/webhooks is a GitHub webhook events toolset for Node.js. Starting in 9.26.0 and prior to 9.26.3, 10.9.2, 11.1.2, and 12.0.4, there is a problem caused by an issue with error handling in the @octokit/webhooks library because the error can be undefined in some cases. The resulting request was found to cause an uncaught exception that ends the nodejs process. The bug is fixed in octokit/webhooks.js 9.26.3, 10.9.2, 11.1.2, and 12.0.4, app.js 14.02, octokit.js 3.1.2, and Protobot 12.3.3.

NVD Source

Technical Analysis

CVE-2023-50728 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

octokit3 product(s)
appoctokitwebhooks
probot1 product(s)
probot
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/octokit/webhooks.js/security/advisories/GHSA-pwfr-8pq7-x9qv
ADVISORYhttps://github.com/octokit/webhooks.js/security/advisories/GHSA-pwfr-8pq7-x9qv

All References (16)

→
https://github.com/octokit/app.js/releases/tag/v14.0.2Release Notes
→
https://github.com/octokit/octokit.js/releases/tag/v3.1.2Release Notes
→
https://github.com/octokit/webhooks.js/releases/tag/v10.9.2Release Notes
→
https://github.com/octokit/webhooks.js/releases/tag/v11.1.2Release Notes
→
https://github.com/octokit/webhooks.js/releases/tag/v12.0.4Release Notes
→
https://github.com/octokit/webhooks.js/releases/tag/v9.26.3Release Notes
→
https://github.com/octokit/webhooks.js/security/advisories/GHSA-pwfr-8pq7-x9qvVendor Advisory
→
https://github.com/probot/probot/releases/tag/v12.3.3Release Notes
→
https://github.com/octokit/app.js/releases/tag/v14.0.2Release Notes
→
https://github.com/octokit/octokit.js/releases/tag/v3.1.2Release Notes
→
https://github.com/octokit/webhooks.js/releases/tag/v10.9.2Release Notes
→
https://github.com/octokit/webhooks.js/releases/tag/v11.1.2Release Notes
→
https://github.com/octokit/webhooks.js/releases/tag/v12.0.4Release Notes
→
https://github.com/octokit/webhooks.js/releases/tag/v9.26.3Release Notes
→
https://github.com/octokit/webhooks.js/security/advisories/GHSA-pwfr-8pq7-x9qvVendor Advisory

Quick Facts

CVE IDCVE-2023-50728
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-755
CISA KEVNo
Affected2 vendor(s)
PublishedDec 15, 2023

Related CVEs (CWE-755)

CVE-2022-23121
9.8
CVE-2025-34193
9.8
CVE-2022-31799
9.8
CVE-2023-25561
9.8
CVE-2021-4105
9.8
CVE-2025-10156
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-50728 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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