CVE-2026-107929local interface connection reuse mixup
Updated under an hour ago ()
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It affects curl. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- Weakness (CWE)
- CWE-488
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- curl
- NVD analysis
- Received
- Record last updated
- Oct 20, 2026
- First seen by InfoSec Signals
- Oct 20, 2026
Affected products
curl curl curl:curl (from the name) | from 8.22.0 through 8.22.0; from 8.21.0 through 8.21.0; from 8.20.0 through 8.20.0; from 8.19.0 through 8.19.0; from 8.18.0 through 8.18.0; from 8.17.0 through 8.17.0; from 8.16.0 through 8.16.0; from 8.15.0 through 8.15.0; and 11 more ranges | CNA record |
References
- https://curl.se/docs/CVE-2026-107929.json
- https://curl.se/docs/CVE-2026-107929.html
- https://hackerone.com/reports/4099618
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.