CVE-2026-86410
HIGHCVSS 8.1/10EPSS 0.25%
Last modified
CVE-2026-86410 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A flaw in the curl command line tool's logic makes it only set SSH host verification options when interacting directly using SFTP or SCP, and not as a result of following a redirect.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
A flaw in the curl command line tool's logic makes it only set SSH host verification options when interacting directly using SFTP or SCP, and not as a result of following a redirect.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| curl | curl | >= 8.22.0, <= 8.22.0; >= 8.21.0, <= 8.21.0; >= 8.20.0, <= 8.20.0; >= 8.19.0, <= 8.19.0; >= 8.18.0, <= 8.18.0; >= 8.17.0, <= 8.17.0; >= 8.16.0, <= 8.16.0; >= 8.15.0, <= 8.15.0; >= 8.14.1, <= 8.14.1; >= 8.14.0, <= 8.14.0; >= 8.13.0, <= 8.13.0; >= 8.12.1, <= 8.12.1; >= 8.12.0, <= 8.12.0; >= 8.11.1, <= 8.11.1; >= 8.11.0, <= 8.11.0; >= 8.10.1, <= 8.10.1; >= 8.10.0, <= 8.10.0; >= 8.9.1, <= 8.9.1; >= 8.9.0, <= 8.9.0; >= 8.8.0, <= 8.8.0; >= 8.7.1, <= 8.7.1; >= 8.7.0, <= 8.7.0; >= 8.6.0, <= 8.6.0; >= 8.5.0, <= 8.5.0; >= 8.4.0, <= 8.4.0; >= 8.3.0, <= 8.3.0; >= 8.2.1, <= 8.2.1; >= 8.2.0, <= 8.2.0; >= 8.1.2, <= 8.1.2; >= 8.1.1, <= 8.1.1; >= 8.1.0, <= 8.1.0; >= 8.0.1, <= 8.0.1; >= 8.0.0, <= 8.0.0; >= 7.88.1, <= 7.88.1; >= 7.88.0, <= 7.88.0; >= 7.87.0, <= 7.87.0; >= 7.86.0, <= 7.86.0; >= 7.85.0, <= 7.85.0; >= 7.84.0, <= 7.84.0; >= 7.83.1, <= 7.83.1; >= 7.83.0, <= 7.83.0; >= 7.82.0, <= 7.82.0; >= 7.81.0, <= 7.81.0 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-86410?
A flaw in the curl command line tool's logic makes it only set SSH host
verification options when interacting directly using SFTP or SCP, and not as a
result of following a redirect.
How severe is CVE-2026-86410?
CVE-2026-86410 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-86410?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-86404EAP's Artemis deserialization configuration permits deserial…8.8
- CVE-2026-86405Improper verification of cryptographic signature vulnerabili…9.8
- CVE-2026-86406The User Registration & Membership WordPress plugin before …7.5
- CVE-2026-86407The User Registration & Membership WordPress plugin before …3.7
- CVE-2026-86408Affected versions of MISP do not enforce parent-event visibi…6.5
- CVE-2026-86409Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable Sig…8.1
- CVE-2026-86411An `ftp://` transfer configured with `CURLUSESSL_NONE` can r…9.1
- CVE-2026-86412A remote HTTP server can set a cookie that curl accepts and …8.1
- CVE-2026-86413When using an *ambient user* in a first transfer doing Negot…
- CVE-2026-86414An HTTP proxy can trick libcurl into sending the origin's cr…
- CVE-2026-86415libcurl's connection cache match function never considers th…
- CVE-2026-86416ILIAS versions before 9.23, 10.11, and 11.4 contain an autho…5.4
Are you affected by CVE-2026-86410?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST