CVE-2023-45158

An OS command injection vulnerability exists in web2py 2.24.1 and earlier. When the product is...

9.8 CriticalPublic exploit

An OS command injection vulnerability exists in web2py 2.24.1 and earlier. When the product is configured to use notifySendHandler for logging (not the default configuration), a crafted web request may execute an arbitrary OS command on the web server using the product.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

4.41%Up 4.4 points since Oct 16, 2023

What each source reports

NVD Score used 9.8

Record: CVE-2023-45158
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

CVE List No score

Record: CVE-2023-45158
Updated: 2026-11-02

EUVDEUVD-2023-49465 0.0

Record: EUVD-2023-49465
CVSS: 0.0 NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-vx79-v9rq-vjp5 9.8

An OS command injection vulnerability exists in web2py 2.24.1 and earlier. When the product is...

Record: GHSA-vx79-v9rq-vjp5
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-45158 9.8

Record: UBUNTU-CVE-2023-45158
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSV No score

Record: CVE-2023-45158
Updated: 2026-11-02

Affected products

web2py

Affected packages

Affected packages
Package	Affected	Fixed
`web2py` Ubuntu:16.04:LTS	All versions, plus listed versions 1.99.7-12.12.3-12.12.3-1ubuntu0.1	None known

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	yifanzhg/CVE-2023-45158	2023-11-04

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-45158 is a critical vulnerability (CVSS 9.8) in Web2py, published October 16, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.41%, the 91st percentile. No source names a fixed version.