High severity8.8NVD Advisory· Published Apr 2, 2020· Updated Jun 17, 2026
CVE-2020-11498
CVE-2020-11498
Description
Slack Nebula through 1.1.0 contains a relative path vulnerability that allows a low-privileged attacker to execute code in the context of the root user via tun_darwin.go or tun_windows.go. A user can also use Nebula to execute arbitrary code in the user's own context, e.g., for user-level persistence or to bypass security controls. NOTE: the vendor states that this "requires a high degree of access and other preconditions that are tough to achieve."
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Affected products
3- Slack/Nebuladescription
Patches
Vulnerability mechanics
References
2- github.com/slackhq/nebula/pull/191nvdPatchThird Party Advisory
- www.pwn3d.org/posts/7918501-slack-nebula-relative-path-bug-bounty-disclosurenvdExploitThird Party Advisory
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