CVE-2026-105841lrzsz before 0.13.0 OS Command Injection via lrz Pipe Mode
Updated under an hour ago ()
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It affects Uwe Ohse lrzsz. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.95%, higher than 60% of scored CVEs.
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lrzsz before 0.13.0 contains an OS command injection vulnerability in the lrz receive utility's pipe mode that allows remote senders to execute commands by supplying crafted filenames. When lrz runs under a suffixed name such as lrztar, procheader() in src/lrz.c passes the unescaped ZMODEM/YMODEM filename to popen(), so shell metacharacters execute as the receiving user.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.95% (percentile 60)
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Uwe Ohse lrzsz uwe_ohse:lrzsz (from the name) | before 0.13.0 | CNA record |
References
- https://ohse.de/uwe/software/lrzsz/NEWS-0.13.0.htmlvendor-advisory
- https://ohse.de/uwe/software/lrzsz.htmlproduct
- https://www.vulncheck.com/advisories/lrzsz-before-0.13.0-os-command-injection-via-lrz-pipe-modethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.