-J no-clobber guarantee bypassed with 103 early hints
CVSS score
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EPSS probability
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Risk score
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Published
2 h ago
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
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Source agreement
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Evidence confidence
%55
Short explanation
When invoked with --remote-header-name (-J), curl fails to preserve its anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response or if an ETag header is processed before Content-Disposition under --etag-save, allowing an HTTP(S) server to overwrite an existing local file.
This vulnerability allows a remote HTTP server to overwrite existing local files by bypassing the safety constraint of the -J flag, potentially leading to file corruption or data loss.
What should be done?
- Follow vendor advisories and updates
- Update affected curl versions
Chain of evidence and sources
curl, -J bayrağı ile çağrıldığında ara 103 Early Hints yanıtları veya ETag işleme sırası nedeniyle anti-koruma garantisini kaybeder.
Bu kusur, bir HTTP(S) sunucusunun Content-Disposition başlığında belirtilen mevcut bir yerel dosyanın üzerine yazmasına izin verir.
Show the technical text from the sources
When invoked with `--remote-header-name` (`-J`), curl fails to preserve its documented anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response, or if an `ETag` header is processed before `Content-Disposition` under `--etag-save`. This flaw allows an HTTP(S) server to overwrite an existing local file specified in the `Content-Disposition` header despite the presence of the `-J` non-overwrite constraint.
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-92390 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | curl | curl | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-92390 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-2026-92390 weaknesses.
Official Sources and Advisories
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