GHSA-fmc8-p6q7-75cc: LXD has argument injection in backup compression algorithm leading to AFW and ACE
Improper validation of user-provided backup compression algorithm leads to argument injection in the constructed command line. This leads to an arbitrary file write on the host, possibly leading to arbitrary command execution.
References
- github.com/advisories/GHSA-fmc8-p6q7-75cc
- github.com/canonical/lxd/commit/0915bb88cbb0baed5ac1aef8e62079c57ac877da
- github.com/canonical/lxd/commit/0ab30d1bbe398ef6359fb8116d6852790a1f151d
- github.com/canonical/lxd/commit/1887e3da0f33af250d941e4e9ffafc8fd0911a89
- github.com/canonical/lxd/commit/32fd88560ddfc10b0a808c9f176d93faf0e0069a
- github.com/canonical/lxd/commit/932592daa790ddd1c0d074daee9c0522d8e268fe
- github.com/canonical/lxd/commit/9b09906b3b4c27ba4416e522644bd1d5191cdf5f
- github.com/canonical/lxd/commit/a2808429c2506d6fa5bf506e4790909c5bd3aac9
- github.com/canonical/lxd/commit/afc0e7ff003b81fa00f3aff147b99838a610f796
- github.com/canonical/lxd/commit/b3e8cedb39838e5effe7b9d0ae3a3ad3ce85f9ec
- github.com/canonical/lxd/commit/c6c999561ccf0024337e9f3746087c7f9c5f096f
- github.com/canonical/lxd/commit/e1e6018c509f52db0fb531c7c20fa7aac59858de
- github.com/canonical/lxd/commit/e224d6f8230a2da7ed7e60ab2aee44c788f9dba8
- github.com/canonical/lxd/security/advisories/GHSA-fmc8-p6q7-75cc
- github.com/lxc/incus/security/advisories/GHSA-v6mj-8pf4-hhw4
- nvd.nist.gov/vuln/detail/CVE-2026-48755
Code Behaviors & Features
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