CVE•Published 2026-09-11•Modified 2026-09-16•0 articles on news•6 live references•NVD data
CVE-2026-77159
Vulnerability data via NVD (ingested)
CVSS v3.1
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS percentile
6
Exploit Prediction Scoring System · top 94% of all CVEs
Weaknesses (CWE)
Description
A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost() function. The function uses a path-based chown() on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd (running as root) to transfer ownership of an arbitrary file to the swtpm user.
Timeline
Published 2026-09-11
Modified 2026-09-16
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-2026-77159Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-77159Censys host search filtered to this CVE id.
grep.app
CVE-2026-77159Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-77159GitHub code search for direct mentions.
Google dork
"CVE-2026-77159" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-77159 on GitHub.
We haven't classified any articles referencing CVE-2026-77159 yet. The external references above still apply.