Authenticated LFS lock deletion via force flag
Published Jan 8, 2026 · Updated Jan 8, 2026
Authorization bypass in Charmbracelet Soft Serve before 0.11.2 allows remote authenticated users to delete other users' LFS locks. The serviceLfsLocksDelete function handles a true force flag before retrieving user context, so the ownership check is never reached. Exploitation requires repository write access and LFS with multiple collaborators; it disrupts lock coordination but grants no file access or extra permissions.
Summary
What happened
Authorization bypass in Charmbracelet Soft Serve before 0.11.2 allows remote authenticated users to delete other users' LFS locks. The serviceLfsLocksDelete function handles a true force flag before retrieving user context, so the ownership check is never reached. Exploitation requires repository write access and LFS with multiple collaborators; it disrupts lock coordination but grants no file access or extra permissions.
The record
- CVE
- CVE-2026-22253
- Published
- Jan 8, 2026
- Updated
- Jan 8, 2026
- Vendor
- Charmbracelet
- Product
- Soft Serve
- Classifications
- CWE-863
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jan 8, 2026CVE publishedPublication date reported by the CVE source.
- Jan 8, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=< 0.11.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- LFS force-delete proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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