A command injection vulnerability exists in TwistedWeb (version 14.0.0) due to improper input sanitization in the file upload functionality.

published 2025-08-05 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-23636

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 7.6%; EPSS 7.6% chance of exploitation in 30 days, percentile 94%
public exploits: 0; none known

A command injection vulnerability exists in TwistedWeb (version 14.0.0) due to improper input sanitization in the file upload functionality. An attacker can exploit this vulnerability by sending a specially crafted HTTP PUT request to upload a malicious file (e.g., a reverse shell script). Once uploaded, the attacker can trigger the execution of arbitrary commands on the target system, allowing for remote code execution. This could lead to escalation of privileges depending on the privileges of the web server process. The attack does not require physical access and can be conducted remotely, posing a significant risk to the confidentiality and integrity of the system.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 15 mo ago (2025-08-05)

Exploit prediction

7.58% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

medium.com https://medium.com/@Justinsecure/chained-rce-on-twistedweb-14-0-0-via-command-injection-and-unauthenticated-put-1aa657995b4e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command

References

medium.com /@Justinsecure/chained-rce-on-twistedweb-14-0-0-via-command-injection-and-unauthenticated-put-1aa657995b4e
exploit, third-party-advisory
twisted.org /documents/14.0.0/index.html
product

Sources

CVE List CVE-2025-50688
NVD CVE-2025-50688

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary