Vulnerability · CVE-2026-59996
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.
Published Jul 8, 2026 · catalog updated Oct 25, 2026 · scp in OpenSSH before
Last checked Nov 4, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-59996. EPSS is 0.25%. Act only if a listed version of scp in OpenSSH before is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (scp in OpenSSH before).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-106583 · High
- CVE-2026-106587 · Low
- CVE-2026-106585 · Medium
- CVE-2026-106584 · Low
- CVE-2026-106582 · Low
- Severity
- Medium5.4
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.25%
- Remediation
- Version ranges on file
- Affected products
- cpe openbsd/openssh
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.
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.
- cpe openbsd/openssh< 10.4
How to fix CVE-2026-59996
Upgrade
CVE-2026-59996 lists a fix boundary at 10.4. Compare the installed build with that boundary before you change production.
Version check
Affected < 10.4
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-2026-59996. EPSS is 0.25%. Act only if a listed version of scp in OpenSSH before is installed.
Which versions are affected?
Compare what you have installed with < 10.4. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-23. EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
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.
Jul 8, 2026 · Monitored products — critical
Detected
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.
Oct 25, 2026 · Monitored products — critical
Updated
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.
Sources
- CVE.orgVulnerability recordCVE-2026-59996
Official CVE identifier
cve.org - Monitored products — criticalVendor advisoryCVE-2026-59996
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgNov 4, 2026
- Monitored products — criticalNov 4, 2026