Answer in brief
CVE-2026-3784 records a Unknown severity vulnerability in wrong proxy connection reuse with credentials. The current sources do not mark it as known exploited. The current feed maps curl/curl (generic), curl/curl (generic), curl/curl (generic), Siemens/RUGGEDCOM RST2428P (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps curl/curl (generic), curl/curl (generic), curl/curl (generic), Siemens/RUGGEDCOM RST2428P (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| curl/curlgeneric | >=7.7.0 <8.14.2 || >=8.15.0 <8.16.1 || >=8.17.0 <8.19.0 | 8.14.2, 8.16.1, 8.19.0 |
| curl/curlgeneric | >=a1d6ad26100bc493c7b04f1301b1634b7f5aa8b4 <5f13a7645e565c5c1a06f3ef86e97afb856fb364 | 5f13a7645e565c5c1a06f3ef86e97afb856fb364 |
| curl/curlgeneric | 8.18.0 || 8.17.0 || 8.16.0 || 8.15.0 || 8.14.1 || 8.14.0 || 8.13.0 || 8.12.1 || 8.12.0 || 8.11.1 || 8.11.0 || 8.10.1 || 8.10.0 || 8.9.1 || 8.9.0 || 8.8.0 || 8.7.1 || 8.7.0 || 8.6.0 || 8.5.0 || 8.4.0 || 8.3.0 || 8.2.1 || 8.2.0 || 8.1.2 || 8.1.1 || 8.1.0 || 8.0.1 || 8.0.0 || 7.88.1 || 7.88.0 || 7.87.0 || 7.86.0 || 7.85.0 || 7.84.0 || 7.83.1 || 7.83.0 || 7.82.0 || 7.81.0 || 7.80.0 || 7.79.1 || 7.79.0 || 7.78.0 || 7.77.0 || 7.76.1 || 7.76.0 || 7.75.0 || 7.74.0 || 7.73.0 || 7.72.0 || 7.71.1 || 7.71.0 || 7.70.0 || 7.69.1 || 7.69.0 || 7.68.0 || 7.67.0 || 7.66.0 || 7.65.3 || 7.65.2 || 7.65.1 || 7.65.0 || 7.64.1 || 7.64.0 || 7.63.0 || 7.62.0 || 7.61.1 || 7.61.0 || 7.60.0 || 7.59.0 || 7.58.0 || 7.57.0 || 7.56.1 || 7.56.0 || 7.55.1 || 7.55.0 || 7.54.1 || 7.54.0 || 7.53.1 || 7.53.0 || 7.52.1 || 7.52.0 || 7.51.0 || 7.50.3 || 7.50.2 || 7.50.1 || 7.50.0 || 7.49.1 || 7.49.0 || 7.48.0 || 7.47.1 || 7.47.0 || 7.46.0 || 7.45.0 || 7.44.0 || 7.43.0 || 7.42.1 || 7.42.0 || 7.41.0 || 7.40.0 || 7.39.0 || 7.38.0 || 7.37.1 || 7.37.0 || 7.36.0 || 7.35.0 || 7.34.0 || 7.33.0 || 7.32.0 || 7.31.0 || 7.30.0 || 7.29.0 || 7.28.1 || 7.28.0 || 7.27.0 || 7.26.0 || 7.25.0 || 7.24.0 || 7.23.1 || 7.23.0 || 7.22.0 || 7.21.7 || 7.21.6 || 7.21.5 || 7.21.4 || 7.21.3 || 7.21.2 || 7.21.1 || 7.21.0 || 7.20.1 || 7.20.0 || 7.19.7 || 7.19.6 || 7.19.5 || 7.19.4 || 7.19.3 || 7.19.2 || 7.19.1 || 7.19.0 || 7.18.2 || 7.18.1 || 7.18.0 || 7.17.1 || 7.17.0 || 7.16.4 || 7.16.3 || 7.16.2 || 7.16.1 || 7.16.0 || 7.15.5 || 7.15.4 || 7.15.3 || 7.15.2 || 7.15.1 || 7.15.0 || 7.14.1 || 7.14.0 || 7.13.2 || 7.13.1 || 7.13.0 || 7.12.3 || 7.12.2 || 7.12.1 || 7.12.0 || 7.11.2 || 7.11.1 || 7.11.0 || 7.10.8 || 7.10.7 || 7.10.6 || 7.10.5 || 7.10.4 || 7.10.3 || 7.10.2 || 7.10.1 || 7.10 || 7.9.8 || 7.9.7 || 7.9.6 || 7.9.5 || 7.9.4 || 7.9.3 || 7.9.2 || 7.9.1 || 7.9 || 7.8.1 || 7.8 || 7.7.3 || 7.7.2 || 7.7.1 || 7.7 | Not reported |
| Siemens/RUGGEDCOM RST2428Pgeneric | >=0 <V4.0 | V4.0 |
Published upstream
Mar 11, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 15, 2026
curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a server, even if the new request uses different credentials for the HTTP proxy. The proper behavior is to create or use a separate connection.
Quoted source text, attributed separately from HOL analysis.