CVE•Published 2026-05-26•Modified 2026-06-02•1 article on news•6 live references•NVD data
CVE-2026-5260
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS#11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure.
Timeline
Published 2026-05-26
Modified 2026-06-02
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-5260Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-5260Censys host search filtered to this CVE id.
grep.app
CVE-2026-5260Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-5260GitHub code search for direct mentions.
Google dork
"CVE-2026-5260" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (6)
CVE-2026-52606 repos
Mr-xn/Penetration_Testing_POCHTML
渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypas…
tycloud97/awesome-starsunknown
A curated list of my GitHub stars by stargazed
maxgfr/awesome-starsunknown
List of repositories that I liked on Github
mooyoul/awesome-starsunknown
A curated list of my GitHub stars
oslook/n8n-workflowsunknown
4200 + Workflow Automation Templates are Grouped by Categories/Services for easy navigation
liuzhen9320/zstarunknown
They said organizing stars was extremely troublesome, so I lent a hand.