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CRITICAL severity

CVE-2022-27815 — Simple-Wayland-HotKey-Dae…

CRITICALFix: waycrate/swhkd@e661a49

CVE-2022-27815 is a critical-severity (CVSS 9.1) CWE-59 vulnerability in Simple-Wayland-HotKey-Daemon. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for Simple-Wayland-HotKey-Daemon — see the affected versions and patch details below.

Insecure Temporary File in SWHKD

Also known asGHSA-p4jg-pccf-h82c
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Nov 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs44th percentile — riskier than 44% of all scored CVEsHighest risk
0.00%0.34%0.68%1.01%0.1%0.5%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🦀Simple-Wayland-HotKey-Daemon

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects crates.io packages — download data is not available via public APIs for these ecosystems.

Description

SWHKD is a display protocol-independent hotkey daemon made in Rust. In SWHKD versions 1.1.5 and prior, SWHKD uses the /tmp/swhkd.pid pathname. As /tmp is accessible to all users, there can be an information leak or denial of service. No known workarounds exist. A patch is available on the 1.1.0 branch of the repository.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🦀crates.ioSimple-Wayland-HotKey-Daemonall versions1.2.0cargo update -p Simple-Wayland-HotKey-Daemon --precise 1.2.0

Affected Products

1 product · 1 configurations
Application
swhkdwaycrate
1 version
1.1.5
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

SWHKD 1.1.5 unsafely uses the /tmp/swhkd.pid pathname. There can be an i…

openwall.comNVDOct 2022

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for Simple-Wayland-HotKey-Daemon, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update Simple-Wayland-HotKey-Daemon to 1.2.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-27815 is resolved across your whole dependency graph.

  3. Workarounds

    Cap what an attacker can consume: apply request size, rate and timeout limits in front of the affected component, and run it with memory and CPU limits so exhaustion degrades one worker rather than the whole service.

Frequently Asked Questions

SWHKD is a display protocol-independent hotkey daemon made in Rust. In SWHKD versions 1.1.5 and prior, SWHKD uses the /tmp/swhkd.pid pathname. As /tmp is accessible to all users, there can be an information leak or denial of service. No known workarounds exist. A patch is available on the `1.1.0` branch of the repository.
O3 Security · Impact-Aware SCA

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CVE-2022-27815: Simple-Wayland-HotKey — Fixed in 1.2.0