HTTP Request Smuggling in Google Cloud Classic Application Load Balancer due to Improper Chunked Encoding Validation
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Google Cloud | Classic Application Load Balancer | unaffected |
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No data.
No data available yet.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-15449 | A request smuggling vulnerability existed in the Google Cloud Classic Application Load Balancer due to improper handling of chunked-encoded HTTP requests. This allowed attackers to craft requests that could be misinterpreted by backend servers. The issue was fixed by disallowing stray data after a chunk, and is no longer exploitable. No action is required as Classic Application Load Balancer service after 2025-04-26 is not vulnerable. |
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.197% probability within 30 days)
| Link | Providers |
|---|---|
| https://cloud.google.com/support/bulletins#gcp-2025-027 |
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| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-20 |
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-444 |
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Google
Google application Load Balancer |
|
| CPEs | cpe:2.3:a:google:application_load_balancer:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Google
Google application Load Balancer |
|
| Metrics |
cvssV3_1
|
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A request smuggling vulnerability existed in the Google Cloud Classic Application Load Balancer due to improper handling of chunked-encoded HTTP requests. This allowed attackers to craft requests that could be misinterpreted by backend servers. The issue was fixed by disallowing stray data after a chunk, and is no longer exploitable. No action is required as Classic Application Load Balancer service after 2025-04-26 is not vulnerable. | |
| Title | HTTP Request Smuggling in Google Cloud Classic Application Load Balancer due to Improper Chunked Encoding Validation | |
| Weaknesses | CWE-20 | |
| References |
| |
| Metrics |
cvssV4_0
|