CVE-2026-91773

MEDIUM 4.3

Soft Serve 0.7.1 through 0.11.6 Information Disclosure via LFS Locks

CVSS Score

4.3

EPSS Score

0.2%

EPSS Percentile

10th

Soft Serve versions 0.7.1 through 0.11.6 fail to scope Git LFS lock queries by repository, allowing authenticated users to read lock metadata from repositories they cannot access. Attackers with write access to any repository can enumerate lock IDs globally to recover locked file paths, usernames, and lock timestamps from private repositories.

CWE	CWE-639
Vendor	charmbracelet
Product	soft-serve
Published	Sep 15, 2026
Last Updated	Sep 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

charmbracelet / soft-serve

0.7.1 < 0.12.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/charmbracelet/soft-serve/security/advisories/GHSA-xqg9-4q65-m2wf github.com: https://github.com/charmbracelet/soft-serve/commit/e34914699128c937afad167d43ccb5310e48b319 github.com: https://github.com/charmbracelet/soft-serve/blob/v0.11.6/pkg/store/database/lfs.go#L115-L124 github.com: https://github.com/charmbracelet/soft-serve vulncheck.com: https://www.vulncheck.com/advisories/soft-serve-0.7.1-through-0.11.6-information-disclosure-via-lfs-locks

Credits

🔍 sondt99 🔍 George Chen