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CVE-2026-22589

Spree API has Unauthenticated IDOR - Guest Address

7.5 HighFix available

Spree is an open source e-commerce solution built with Ruby on Rails. Prior to versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5, an Unauthenticated Insecure Direct Object Reference (IDOR) vulnerability was identified that allows an unauthenticated attacker to access guest address information without supplying valid credentials or session cookies. This issue has been patched in versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.45%Up 0.4 points since Jan 10, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.5

Spree API has Unauthenticated IDOR - Guest Address

Spree is an open source e-commerce solution built with Ruby on Rails. Prior to versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5, an Unauthenticated Insecure Direct Object Reference (IDOR) vulnerability was identified that allows an unauthenticated attacker to access guest address information without supplying valid credentials or session cookies. This issue has been patched in versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5.

Record
CVE-2026-22589
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-639
Updated
2026-11-02
EUVDEUVD-2026-1460 7.5

Spree is an open source e-commerce solution built with Ruby on Rails. Prior to versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5, an Unauthenticated Insecure Direct Object Reference (IDOR) vulnerability was identified that allows an unauthenticated attacker to access guest address information without supplying valid credentials or session cookies. This issue has been patched in versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5.

Record
EUVD-2026-1460
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-3ghg-3787-w2xr 7.5

Spree API has Unauthenticated IDOR - Guest Address

Summary

An Unauthenticated Insecure Direct Object Reference (IDOR) vulnerability was identified that allows an unauthenticated attacker to access guest address information without supplying valid credentials or session cookies.

Details

During testing, it was observed that all guest users can make an unauthenticated request to retrieve address data belonging to other guest users by manipulating object identifiers. The attacker would need to know the storefront URL structure to perform this attack (which can be learnt after creating a registered user account).

Affected Component(s)

  • Address Edit endpoint: /addresses/{addressId}/edit

Root Cause

  • Faulty authorization check in CanCanCan Ability class:
- can :manage, ::Spree::Address, user_id: user.id
+ can :manage, ::Spree::Address, user_id: user.id if user.persisted?

the user object in Spree::Ability class for guest users is a Spree.user_class.new object.

Addresses endpoint to access it is part of the spree_storefront gem. Headless builds using APIs are not affected, as the Addresses endpoint there is only for registered users, and records are scoped to the currently signed-in user.

PoC

Preconditions

  • No authentication required
  • No cookies or session tokens set

To reproduce this vulnerability simply perform the request shown below, replacing the number with an arbitrary value.

For the initial request the Guest Address id = 6 is used to obtain the information

Request GET /addresses/6/edit

<img width="291" height="454" alt="IDOR Guest" src="https://github.com/user-attachments/assets/d21d01a2-8fa5-4ab1-b9e2-6ee65bd6b5a2" />

Repeat the request and check the response, in this example using Guest Address id = 2.

Request GET /addresses/2/edit

<img width="360" height="519" alt="IDOR Guest Address ID 2" src="https://github.com/user-attachments/assets/1ce35990-3d11-4f47-9bba-266b5361313c" />

Impact

An unauthenticated attacker can:

  • Enumerate and retrieve guest address information (Addresses associated with User accounts are NOT affected)
  • Access personally identifiable information (PII) such as:
  • Full names
  • Physical addresses
  • Phone numbers (if present)

This vulnerability could lead to:

  • Privacy violations
  • Regulatory compliance issues (e.g., GDPR)
  • Loss of user trust
Record
GHSA-3ghg-3787-w2xr
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-639
Updated
2026-11-02
NVD 7.5

Spree is an open source e-commerce solution built with Ruby on Rails. Prior to versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5, an Unauthenticated Insecure Direct Object Reference (IDOR) vulnerability was identified that allows an unauthenticated attacker to access guest address information without supplying valid credentials or session cookies. This issue has been patched in versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5.

Record
CVE-2026-22589
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-639
Updated
2026-11-02
OSV 7.5

Spree API has Unauthenticated IDOR - Guest Address

Spree is an open source e-commerce solution built with Ruby on Rails. Prior to versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5, an Unauthenticated Insecure Direct Object Reference (IDOR) vulnerability was identified that allows an unauthenticated attacker to access guest address information without supplying valid credentials or session cookies. This issue has been patched in versions 4.10.2, 5.0.7, 5.1.9, and 5.2.5.

Record
CVE-2026-22589
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-639
Updated
2026-11-02
OSVGHSA-3ghg-3787-w2xr 7.5

Spree API has Unauthenticated IDOR - Guest Address

Summary

An Unauthenticated Insecure Direct Object Reference (IDOR) vulnerability was identified that allows an unauthenticated attacker to access guest address information without supplying valid credentials or session cookies.

Details

During testing, it was observed that all guest users can make an unauthenticated request to retrieve address data belonging to other guest users by manipulating object identifiers. The attacker would need to know the storefront URL structure to perform this attack (which can be learnt after creating a registered user account).

Affected Component(s)

  • Address Edit endpoint: /addresses/{addressId}/edit

Root Cause

  • Faulty authorization check in CanCanCan Ability class:
- can :manage, ::Spree::Address, user_id: user.id
+ can :manage, ::Spree::Address, user_id: user.id if user.persisted?

the user object in Spree::Ability class for guest users is a Spree.user_class.new object.

Addresses endpoint to access it is part of the spree_storefront gem. Headless builds using APIs are not affected, as the Addresses endpoint there is only for registered users, and records are scoped to the currently signed-in user.

PoC

Preconditions

  • No authentication required
  • No cookies or session tokens set

To reproduce this vulnerability simply perform the request shown below, replacing the number with an arbitrary value.

For the initial request the Guest Address id = 6 is used to obtain the information

Request GET /addresses/6/edit

<img width="291" height="454" alt="IDOR Guest" src="https://github.com/user-attachments/assets/d21d01a2-8fa5-4ab1-b9e2-6ee65bd6b5a2" />

Repeat the request and check the response, in this example using Guest Address id = 2.

Request GET /addresses/2/edit

<img width="360" height="519" alt="IDOR Guest Address ID 2" src="https://github.com/user-attachments/assets/1ce35990-3d11-4f47-9bba-266b5361313c" />

Impact

An unauthenticated attacker can:

  • Enumerate and retrieve guest address information (Addresses associated with User accounts are NOT affected)
  • Access personally identifiable information (PII) such as:
  • Full names
  • Physical addresses
  • Phone numbers (if present)

This vulnerability could lead to:

  • Privacy violations
  • Regulatory compliance issues (e.g., GDPR)
  • Loss of user trust
Record
GHSA-3ghg-3787-w2xr
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-639
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
spree_core
RubyGems
 4.0.0 up to 4.10.2
4.10.2
spree_core
RubyGems
 5.0.0 up to 5.0.7
5.0.7
spree_core
RubyGems
 5.1.0 up to 5.1.9
5.1.9
spree_core
RubyGems
 5.2.0 up to 5.2.5
5.2.5
spree_core
RubyGems
 4.0.0 up to 4.10.2, plus listed versions
4.0.14.0.24.0.34.0.44.0.5
Show 45 moreShow less
4.0.64.0.74.0.7.14.0.84.0.94.1.04.1.0.rc14.1.0.rc24.1.0.rc34.1.14.1.104.1.114.1.124.1.134.1.13.14.1.144.1.154.1.24.1.34.1.44.1.54.1.64.1.74.1.84.1.94.10.04.10.14.2.04.2.0.beta4.2.0.rc14.2.0.rc24.2.0.rc34.2.0.rc44.2.0.rc54.2.14.2.24.2.34.2.3.14.2.44.2.54.2.64.2.74.3.04.3.0.rc14.3.0.rc2
4.10.2
spree_core
RubyGems
 5.0.0 up to 5.0.7, plus listed versions
5.0.15.0.25.0.35.0.45.0.55.0.6
5.0.7
spree_core
RubyGems
 5.1.0 up to 5.1.9, plus listed versions
5.1.15.1.25.1.35.1.45.1.55.1.65.1.75.1.8
5.1.9
spree_core
RubyGems
 5.2.0 up to 5.2.5, plus listed versions
5.2.15.2.25.2.35.2.4
5.2.5

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-2026-22589 is a high vulnerability (CVSS 7.5) in Spree, published January 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. Fixed in spree_core 4.10.2.

References

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