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TI-2026-59323 Aliases CVE-2026-86766GHSA-463q-rqpx-h2jj

Snipe-IT 8.6.3 Race Condition via Consumable Checkout

Priority MEDIUM 64CWE-362Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Snipe-IT versions up to and including 8.6.3 contain a race condition (TOCTOU) in the consumable checkout API endpoint (POST /api/v1/consumables/{consumable_id}/checkout). The requested quantity is validated against the number of remaining units before the database transaction begins, and the transaction then creates the checkout records without locking the consumable row or re-checking availability. An authenticated user with permission to check out consumables can submit concurrent checkout requests for the same consumable so that both requests pass the availability check and succeed, over-allocating stock and driving the remaining inventory negative (e.g., a consumable with 1 remaining unit ends at -1 after two concurrent 1-unit checkouts). The issue is fixed in 8.7.0, which re-fetches the parent row under lockForUpdate inside the transaction and re-validates availability.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00347 28th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed snipe-it (grokability): 8.7.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
grokabilitysnipe-it8.6.3 to before 8.7.08.7.0Patch availableCNA
  • snipe-it Vendorgrokability Affected 8.6.3 to before 8.7.0 Fixed in 8.7.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:snipeitapp:snipe-it:*:*:*:*:*:*:*:*before 8.7.0Vulnerablegrokability
  • cpe:2.3:a:snipeitapp:snipe-it:*:*:*:*:*:*:*:* Versions before 8.7.0 Vulnerable ·grokability

Remediation

  • Fix · CNA snipe-it (grokability) Fixed in 8.7.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    grokability snipe-it 8.7.0

    33 records Highest priority Priority HIGH 5 HIGH, 8 MEDIUM, 20 LOW

    Other records, highest priority first

    • TI-2026-59327 Snipe-IT before 8.7.0 Authentication Bypass via SAML Username CollationPriority HIGH 72
    • TI-2026-59308 Snipe-IT before 8.7.0 Arbitrary File Read and SSRF via MarkdownPriority HIGH 70
    • TI-2026-59298 Snipe-IT before 8.7.0 Arbitrary File Read and SSRF via Category EULAPriority HIGH 70
    Show all 33 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-86766
  2. 2026-10-03 Alias added: GHSA-463q-rqpx-h2jj

References

Exploit 1

Patch 1

  • TI-2026-45238 Snipe-IT: Stored XSS via Inline XML Rendering in the Uploaded Files API CVSS 3.1HIGH 8.7
  • TI-2026-59327 Snipe-IT before 8.7.0 Authentication Bypass via SAML Username Collation CVSS 4.0HIGH 8.6
  • TI-2026-44513 Snipe-IT: Stored XSS via Custom Field name in asset-list column headers CVSS 3.1HIGH 8.4
  • TI-2023-05072 Cross-Site Request Forgery (CSRF) in snipe/snipe-it CVSS 3.1HIGH 8.8
  • TI-2026-59308 Snipe-IT before 8.7.0 Arbitrary File Read and SSRF via Markdown CVSS 4.0HIGH 8.4
  • TI-2026-59298 Snipe-IT before 8.7.0 Arbitrary File Read and SSRF via Category EULA CVSS 4.0HIGH 8.4
See all 134 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences