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PatchSiren cyber security CVE debrief

CVE-2026-55843 grokability CVE debrief

CVE-2026-55843 is a high-severity vulnerability in Snipe-IT, an IT asset/license management system. The vulnerability allows an administrator to remove a target user's administrative or granular permissions. This issue is fixed in version 8.6.0. The vulnerability is caused by the UsersController::update() method passing a missing permission request field through NormalizePermissionsPayloadAction and PreserveUnauthorizedPrivilegedPermissionsAction. This can lead to a sparse result that overwrites a target user's permissions, allowing an administrator updating another administrator, or a user with users.edit updating a regular account, to remove the target's administrative or granular permissions. The CVE record was published on 2026-07-10T19:17:26.250Z and has not been modified since then.

Vendor
grokability
Product
snipe-it
CVSS
HIGH 7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-10
Original CVE updated
2026-07-13
Advisory published
2026-07-10
Advisory updated
2026-07-13

Who should care

Administrators and users of Snipe-IT versions prior to 8.6.0 should be aware of this vulnerability and take necessary actions to update their systems. This includes reviewing and updating user permissions, monitoring system activity for potential exploitation, and ensuring that compensating controls are in place for exposed systems.

Technical summary

The vulnerability is caused by the UsersController::update() method passing a missing permission request field through NormalizePermissionsPayloadAction and PreserveUnauthorizedPrivilegedPermissionsAction. This can lead to a sparse result that overwrites a target user's permissions, allowing an administrator updating another administrator, or a user with users.edit updating a regular account, to remove the target's administrative or granular permissions. The vulnerability affects Snipe-IT versions prior to 8.6.0, and the issue is fixed in version 8.6.0.

Defensive priority

High

Recommended defensive actions

  • Update Snipe-IT to version 8.6.0 or later
  • Review and update user permissions
  • Monitor system activity for potential exploitation
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-10T19:17:26.250Z and has not been modified since then. The NVD entry is currently Analyzed. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity with the vendor. The vulnerability affects Snipe-IT versions prior to 8.6.0.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-55843 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-55843

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-55843 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-55843

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.