diff --git a/crates/pleaser/RUSTSEC-0000-0000.md b/crates/pleaser/RUSTSEC-0000-0000.md
new file mode 100644
index 0000000..cc768bf
--- /dev/null
+++ b/crates/pleaser/RUSTSEC-0000-0000.md
@@ -0,0 +1,16 @@
+```toml
+[advisory]
+id = "RUSTSEC-0000-0000"
+package = "pleaser"
+date = "2021-05-27"
+url = "https://nvd.nist.gov/vuln/detail/CVE-2021-31154"
+categories = ["privilege-escalation"]
+cvss = "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
+aliases = ["CVE-2021-31154"]
+[versions]
+patched = [">= 0.4"]
+```
+
+# Permissions bypass in pleaser
+
+pleaseedit in pleaser before 0.4 uses predictable temporary filenames in /tmp and the target directory. This allows a local attacker to gain full root privileges by staging a symlink attack.