CVE-2026-55828Medium· 6.0▾ Sunlitqbee transport is a remote access transport protocol implementation. Prior to 1.26.25, the extractTar routine uses strictly lexical path validation that does not account for on-disk symlinks created earlier in the extraction process. A c…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 33 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 19.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
— → 6
0.4%
qbee transport is a remote access transport protocol implementation. Prior to 1.26.25, the extractTar routine uses strictly lexical path validation that does not account for on-disk symlinks created earlier in the extraction process. A crafted tar archive can use a symlink chain to write or overwrite files one directory level above the intended extraction path. When qbee-agent performs the extraction with root privileges, this permits a root-privileged file write outside the intended destination. This issue is fixed in version 1.26.25.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
go.qbee.io/transport < 1.26.25Patched in:
go.qbee.io/transport 1.26.25Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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