CVE-2026-30832: Soft Serve is a self-hostable Git server for the command line

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CRITICAL 9.1UPGRADE

CVE-2026-30832 is a critical-severity flaw (CVSS 9.1) affecting soft serve. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Soft Serve is a self-hostable Git server for the command line. From version 0.6.0 to before version 0.11.4, an authenticated SSH user can force the server to make HTTP requests to internal/private IP addresses by running repo import with a crafted --lfs-endpoint URL. The initial batch request is blind (the response from a metadata endpoint won't parse as valid LFS JSON), but an attacker hosting a fake LFS server can chain this into full read acce

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-03-07
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2026-03-07 16:15 UTCPublished CVE record published
2026-06-17 10:32 UTCUpdated Record last modified

charm soft serve UPGRADE

Affected: >= 0.6.0 and < 0.11.4

Fixed in: 0.11.4

Safe to downgrade to: a release before 0.6.0

1. Check installed version

apt-cache policy soft-serve || rpm -q soft-serve || soft-serve --version

2. UPGRADE to 0.11.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade soft-serve

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade soft-serve

Note

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

3. If no update is available yet, DOWNGRADE to a release before 0.6.0 (Debian / Ubuntu)

apt-cache madison soft-serve sudo apt install soft-serve=<VERSION_BEFORE_0.6.0> sudo apt-mark hold soft-serve

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list soft-serve sudo dnf downgrade soft-serve-<VERSION_BEFORE_0.6.0> sudo dnf versionlock add soft-serve

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-30832?

soft serve: upgrade to 0.11.4. Exact commands for each OS are on this page.

Is CVE-2026-30832 being exploited?

CVE-2026-30832 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-2026-30832 affect?

CVE-2026-30832 affects soft serve. Severity is critical (CVSS 9.1). Soft Serve is a self-hostable Git server for the command line. From version 0.6.0 to before version 0.11.4, an authenticated SSH user can force the server to make HTTP requests to internal/private IP addresses by running repo import with a

How urgent is CVE-2026-30832?

Priority 44/100. Critical severity; Public exploit reference

Software pages

Git vulnerabilities

Related CVEs

CVE-2026-33353 MEDIUM 6.5 UPGRADE Soft Serve is a self-hostable Git server for the command line

References

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