SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-107929

When `CURLOPT_INTERFACE` (or the command line tool's `--interface` option) is set with one of the documented prefixes (`if!`, `host!`, `ifhost!`), that binding is not part of the connection reuse key, so a later transfer asking for a different source…

UnscoredEPSS 0.20%

Does this matter?

Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published.

Description

When `CURLOPT_INTERFACE` (or the command line tool's `--interface` option) is set with one of the documented prefixes (`if!`, `host!`, `ifhost!`), that binding is not part of the connection reuse key, so a later transfer asking for a different source can silently reuse an existing connection and go out from the earlier transfer's source address

CVSS
Not yet scored
EPSS
0.20% probability · 9th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Source
2499f714-1537-4658-8207-48ae4bb9eae9
EPSS trend
0%3%5%21 October 2026: 0.29%26 October 2026: 0.20%21 October 202626 October 2026

EPSS moved from 0.3% on 21 October 2026 to 0.2% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.