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CVE-2026-55643

Snipe-IT: Tenant Isolation Bypass in FMCS Floater Mode

7.6 HighFix available

Snipe-IT is an IT asset/license management system. Prior to 8.6.3, a company-scoped user in FMCS floater mode can access users whose company_id is null because broad API queries and bulk web actions do not consistently apply isCurrentUserHasAccess. The /api/v1/users and /api/v1/users/{id}/licenses endpoints can expose personal data and assigned licenses, /users/bulkeditsave can modify out-of-scope profiles, and /users/merge can soft-delete users and transfer assigned assets. This issue is fixed in version 8.6.3.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
Low

Exploit likelihood

0.30%Unchanged since Aug 20, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.6

Snipe-IT: Tenant Isolation Bypass in FMCS Floater Mode

Snipe-IT is an IT asset/license management system. Prior to 8.6.3, a company-scoped user in FMCS floater mode can access users whose company_id is null because broad API queries and bulk web actions do not consistently apply isCurrentUserHasAccess. The /api/v1/users and /api/v1/users/{id}/licenses endpoints can expose personal data and assigned licenses, /users/bulkeditsave can modify out-of-scope profiles, and /users/merge can soft-delete users and transfer assigned assets. This issue is fixed in version 8.6.3.

Record
CVE-2026-55643
CVSS 4.0
7.6 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-863
Updated
2026-11-02
EUVDEUVD-2026-62628 7.6

Snipe-IT is an IT asset/license management system. Prior to 8.6.3, a company-scoped user in FMCS floater mode can access users whose company_id is null because broad API queries and bulk web actions do not consistently apply isCurrentUserHasAccess. The /api/v1/users and /api/v1/users/{id}/licenses endpoints can expose personal data and assigned licenses, /users/bulkeditsave can modify out-of-scope profiles, and /users/merge can soft-delete users and transfer assigned assets. This issue is fixed in version 8.6.3.

Record
EUVD-2026-62628
CVSS 4.0
7.6 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-c6w2-j4wq-mvwg 7.6

Snipe-IT: Tenant Isolation Bypass in FMCS Floater Mode

Impact

Due to inconsistent authorization checks, a company-scoped user can bypass tenant boundaries to read, mutate, and soft-delete users who do not belong to any company (company_id = null). While direct instance authorization (isCurrentUserHasAccess) correctly denies access to these out-of-scope users, multiple API endpoints and bulk action web routes fail to enforce this restriction, relying instead on class-level permissions or broad scoped queries. Impact:

A malicious user scoped to a specific company (e.g., Company A) can:

Data Leakage: Extract PII and assigned licenses of users outside their tenant via the API (/api/v1/users and /api/v1/users/{id}/licenses).

Data Modification: Mutate out-of-scope user profiles (e.g., changing city, notes) via the /users/bulkeditsave web route.

Data Deletion & Asset Theft: Soft-delete out-of-scope users and transfer their assigned assets to themselves via the /users/merge web route.

Patches

Patched in https://github.com/grokability/snipe-it/commit/fbe05a8df4742729a9b0756c016d45f48246cc7b,

Record
GHSA-c6w2-j4wq-mvwg
CVSS 4.0
7.6 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-863
Updated
2026-11-02
NVD 7.6

Snipe-IT is an IT asset/license management system. Prior to 8.6.3, a company-scoped user in FMCS floater mode can access users whose company_id is null because broad API queries and bulk web actions do not consistently apply isCurrentUserHasAccess. The /api/v1/users and /api/v1/users/{id}/licenses endpoints can expose personal data and assigned licenses, /users/bulkeditsave can modify out-of-scope profiles, and /users/merge can soft-delete users and transfer assigned assets. This issue is fixed in version 8.6.3.

Record
CVE-2026-55643
CVSS 4.0
7.6 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-863
Updated
2026-11-02
OSV 7.6

Snipe-IT: Tenant Isolation Bypass in FMCS Floater Mode

Snipe-IT is an IT asset/license management system. Prior to 8.6.3, a company-scoped user in FMCS floater mode can access users whose company_id is null because broad API queries and bulk web actions do not consistently apply isCurrentUserHasAccess. The /api/v1/users and /api/v1/users/{id}/licenses endpoints can expose personal data and assigned licenses, /users/bulkeditsave can modify out-of-scope profiles, and /users/merge can soft-delete users and transfer assigned assets. This issue is fixed in version 8.6.3.

Record
CVE-2026-55643
CVSS 4.0
7.6 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-863
Updated
2026-11-02
OSVGHSA-c6w2-j4wq-mvwg 7.6

Snipe-IT: Tenant Isolation Bypass in FMCS Floater Mode

Impact

Due to inconsistent authorization checks, a company-scoped user can bypass tenant boundaries to read, mutate, and soft-delete users who do not belong to any company (company_id = null). While direct instance authorization (isCurrentUserHasAccess) correctly denies access to these out-of-scope users, multiple API endpoints and bulk action web routes fail to enforce this restriction, relying instead on class-level permissions or broad scoped queries. Impact:

A malicious user scoped to a specific company (e.g., Company A) can:

Data Leakage: Extract PII and assigned licenses of users outside their tenant via the API (/api/v1/users and /api/v1/users/{id}/licenses).

Data Modification: Mutate out-of-scope user profiles (e.g., changing city, notes) via the /users/bulkeditsave web route.

Data Deletion & Asset Theft: Soft-delete out-of-scope users and transfer their assigned assets to themselves via the /users/merge web route.

Patches

Patched in https://github.com/grokability/snipe-it/commit/fbe05a8df4742729a9b0756c016d45f48246cc7b,

Record
GHSA-c6w2-j4wq-mvwg
CVSS 4.0
7.6 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-863
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
snipe/snipe-it
Packagist
before 8.6.3
8.6.3
snipe/snipe-it
Packagist
before 8.6.3, plus listed versions
3.2.0v0.1.0v0.1.1v0.1.2v0.2.0
Show 45 moreShow less
v0.3.0-alphav0.3.10-alphav0.3.11-alphav0.3.7-alphav0.3.8-alphav0.3.9-alphav1.0v1.1v1.2.0v1.2.1v1.2.10v1.2.11v1.2.2v1.2.3v1.2.3-betav1.2.4v1.2.4-betav1.2.5v1.2.6v1.2.6-betav1.2.6.1v1.2.7v1.2.7-betav1.2.8v1.2.9v2.0v2.0-RC-1v2.0-betav2.0.1v2.0.2v2.0.3v2.0.4v2.0.5v2.0.6v2.1.0v2.1.1v2.1.2v3.0v3.0-alphav3.0-alpha2v3.0-beta.1v3.0-beta.2v3.0-beta.3v3.0.0-betav3.1.0
8.6.3

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-55643 is a high vulnerability (CVSS 7.6) in Grokability Snipe-it, published August 19, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. Fixed in snipe/snipe-it 8.6.3.

References

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