CVE-2025-11915
HTTP Desynchronisation in Vertex AI for certain third-party models
Description
Connection desynchronization between an HTTP proxy and the model backend. The fixes were rolled out for all proxies in front of impacted models by 2025-09-28. Users do not need to take any action.
INFO
Published Date :
Oct. 22, 2025, 10:15 a.m.
Last Modified :
Oct. 22, 2025, 9:12 p.m.
Remotely Exploit :
Yes !
Source :
f45cbf4e-4146-4068-b7e1-655ffc2c548c
Affected Products
The following products are affected by CVE-2025-11915
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | f45cbf4e-4146-4068-b7e1-655ffc2c548c | ||||
| CVSS 4.0 | MEDIUM | f45cbf4e-4146-4068-b7e1-655ffc2c548c |
Solution
- Confirm HTTP proxy configurations are updated.
- Verify model backend synchronization.
- Ensure all security patches are applied.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-11915.
| URL | Resource |
|---|---|
| https://cloud.google.com/vertex-ai/generative-ai/docs/security-bulletins#gcp-2025-059 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-11915 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-11915
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-11915 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-11915 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by f45cbf4e-4146-4068-b7e1-655ffc2c548c
Oct. 22, 2025
Action Type Old Value New Value Added Tag exclusively-hosted-service Added Description Connection desynchronization between an HTTP proxy and the model backend. The fixes were rolled out for all proxies in front of impacted models by 2025-09-28. Users do not need to take any action. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:L/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear Added CWE CWE-444 Added Reference https://cloud.google.com/vertex-ai/generative-ai/docs/security-bulletins#gcp-2025-059