CVE-2023-27538: Haxx https://github.com/curl/curl vulnerability
Haxx · https://github.com/curl/curl
Affected: Haxx https://github.com/curl/curl · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Percentile not published
DescriptionCVE.org
The full CVE record could not be read just now. It is linked under References, and this page fills in once it has been read.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Possible (1 to 10%). EPSS between 1% and 10%.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Haxx
- Published
- March 2023
- Bounty reports
- 5 disclosed on HackerOne
Disclosed bug bounty reports about CVE-2023-27538
The reports on HackerOne that name this CVE, with HackerOne's own outcome. Titles and metadata only.
- SSH/SFTP connection reuse can bypass SSH key identity after ssh_config_matches removalcurl · 2026 · high severityInformative
- Missing server identity policy enforcement in SSH connection reuse allows host key verification bypass via pool poisoningcurl · 2026 · high severityN/A
- CVE-2023-27538: SSH connection too eager reuse stillInternet Bug Bounty · 2023 · low severityValid
- ssh_config_matches is dead code: unauthorized SSH key reusecurl · 2026 · medium severityInformative
- CVE-2023-27538: SSH connection too eager reuse stillcurl · 2023 · low severityValid
CoverageNo articles yet
No CyberSIXT article names CVE-2023-27538 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.