Vulnerability · CVE-2026-92390
-J no-clobber guarantee bypassed with 103 early hints
Published Oct 20, 2026 · catalog updated Oct 25, 2026 · J no-clobber guarantee bypassed
Last checked Oct 25, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-92390. EPSS is 0.21%. Act only if a listed version of J no-clobber guarantee bypassed is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (J no-clobber guarantee bypassed).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-94265 · Critical
- CVE-2026-87866 · Unknown
- CVE-2026-87861 · Unknown
- CVE-2026-86415 · Unknown
- CVE-2026-86413 · Unknown
- Severity
- High—
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.21%
- Remediation
- Advisory link
- Affected products
- Alpine:v3.23 curl · Alpine:v3.24 curl · vendor curl curl
When invoked with ( ), curl fails to preserve its documented anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response, or if an header is processed before under . This flaw allows an HTTP(S) server to overwrite an existing local file specified in the header despite the presence of the non-overwrite constraint.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- Alpine:v3.23 curl0 → 8.23.0-r0
- Alpine:v3.24 curl0 → 8.23.0-r0
- vendor curl curlversion unspecified
How to fix CVE-2026-92390
Upgrade
CVE-2026-92390 lists a fix boundary at 8.23.0-r0. Compare the installed build with that boundary before you change production.
Version check
Fixed in 8.23.0-r0 · 1 other ranges on the advisory
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-92390. EPSS is 0.21%. Act only if a listed version of J no-clobber guarantee bypassed is installed.
Which versions are affected?
Compare what you have installed with 0 → 8.23.0-r0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 20, 2026 · NIST NVD
Detected
When invoked with ( ), curl fails to preserve its documented anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response, or if an header is processed before under . This flaw allows an HTTP(S) server to overwrite an existing local file specified in the header despite the presence of the non-overwrite constraint.
Oct 22, 2026 · NIST NVD
Updated
When invoked with ( ), curl fails to preserve its documented anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response, or if an header is processed before under . This flaw allows an HTTP(S) server to overwrite an existing local file specified in the header despite the presence of the non-overwrite constraint.
Oct 25, 2026 · Trivy Vulnerability DB
Fix available
curl fixed in 8.23.0-r0; curl fixed in 8.23.0-r0
Oct 25, 2026 · Trivy Vulnerability DB
Fix available
curl fixed in 8.23.0-r0
Oct 25, 2026 · Trivy Vulnerability DB
Updated
When invoked with ( ), curl fails to preserve its documented anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response, or if an header is processed before under . This flaw allows an HTTP(S) server to overwrite an existing local file specified in the header despite the presence of the non-overwrite constraint.
Sources
- CVE.orgVulnerability recordCVE-2026-92390
When invoked with ( ), curl fails to preserve its documented anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response, or if an header is processed before under . This flaw allows an HTTP(S) server to overwrite an existing local file
cve.org - FIRST EPSSExploitation probabilityCVE-2026-92390
30-day exploitation probability 0.21%
first.org - NIST NVDVulnerability recordCVE-2026-92390
When invoked with ( ), curl fails to preserve its documented anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response, or if an header is processed before under . Th
nvd.nist.gov - Tenable CVE DatabaseVulnerability recordCVE-2026-92390
When invoked with ( ), curl fails to preserve its documented anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response, or if an header is processed before under . This flaw allows an HTTP(S) server to overwrite an existing local file specified in the header despite the presence of the non-overwrite constraint.
tenable.com - Trivy Vulnerability DBPackage advisoryALPINE-CVE-2026-92390
When invoked with ( ), curl fails to preserve its documented anti-clobbering protection if an intermediate 103 Early Hints response precedes the final HTTP response, or if an header is processed before under . This flaw allows an HTTP(S) server to overwrite an existing local file
osv.dev
References
Freshness
Last verified in this catalog Oct 25, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- Trivy Vulnerability DBOct 25, 2026
- FIRST EPSSOct 25, 2026
- CVE.orgOct 23, 2026
- Tenable CVE DatabaseOct 23, 2026
- NIST NVDOct 22, 2026