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High 8.1Published Oct 14, 2026
CVE-2026-92392HTTP/2 upload Use-After-Free
Updated under an hour ago ()
Does this affect you?
It affects curl. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.63%, higher than 49% of scored CVEs.
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During an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server (with reason `HTTP_1_1_REQUIRED` or `REFUSED_STREAM`) leading to a use after free of a `struct Curl_easy` object.
- CVSS
- 8.1 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.63% (percentile 49)
- Assigned by
- curl
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 18, 2026
- First seen by InfoSec Signals
- Oct 14, 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 5 more ranges | CNA record |
References
- https://curl.se/docs/CVE-2026-92392.json
- https://curl.se/docs/CVE-2026-92392.html
- https://hackerone.com/reports/4030333
- http://www.openwall.com/lists/oss-security/2026/10/18/5
- http://www.openwall.com/lists/oss-security/2026/10/18/6
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.