CVE-2026-32810: Halloy is an IRC application written in Rust

Q: How do I fix CVE-2026-32810?

halloy: upgrade to newer than 2026.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-32810 being exploited?

CVE-2026-32810 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-32810 affect?

CVE-2026-32810 affects halloy. Severity is medium (CVSS 5.5). Halloy is an IRC application written in Rust. In versions on \*nix and macOS prior to commit f180e41061db393acf65bc99f5c5e7397586d9cb, halloy creates its config directory and files using default umask permissions, which typically results in

Q: How urgent is CVE-2026-32810?

Priority 26/100. Public exploit reference

Routine

MEDIUM 5.5UPGRADE

CVE-2026-32810 is a medium-severity flaw (CVSS 5.5) affecting halloy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Halloy is an IRC application written in Rust. In versions on \*nix and macOS prior to commit f180e41061db393acf65bc99f5c5e7397586d9cb, halloy creates its config directory and files using default umask permissions, which typically results in `0644` on files and `0755` on directories. This allows any local user on the system to read plaintext credentials stored in `config.toml` or referenced `password_file` paths. Commit f180e41061db393acf65bc99f5c

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-732
Published	2026-03-20
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: halloy

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-20 23:16 UTCPublished CVE record published
2026-06-17 10:36 UTCUpdated Record last modified

halloy halloy UPGRADE

Affected: <= 2026.4

Fixed in: newer than 2026.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy halloy || rpm -q halloy || halloy --version

2. UPGRADE to newer than 2026.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade halloy

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade halloy

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-32810?

halloy: upgrade to newer than 2026.4. Exact commands for each OS are on this page.

Is CVE-2026-32810 being exploited?

CVE-2026-32810 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-32810 affect?

CVE-2026-32810 affects halloy. Severity is medium (CVSS 5.5). Halloy is an IRC application written in Rust. In versions on \*nix and macOS prior to commit f180e41061db393acf65bc99f5c5e7397586d9cb, halloy creates its config directory and files using default umask permissions, which typically results in

How urgent is CVE-2026-32810?

Priority 26/100. Public exploit reference

Software pages

macOS vulnerabilities

Related CVEs

CVE-2026-32733 MEDIUM 6.5 UPGRADE Halloy is an IRC application written in Rust

References

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