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CVE-2026-63401

Coop has cross-org IDOR in addAccessibleQueuesForUser / removeAccessibleQueuesForUser

5.3 Medium

Coop is an open source review and moderation tool from ROOST. Prior to 1.0.2, addAccessibleQueuesForUser and removeAccessibleQueuesForUser accepted arbitrary queueId and userId values without organization scoping. An authenticated user belonging to one organization and holding MRT queue-edit permission could grant or revoke another organization's users' access to manual review queues. The existing queue-edit permission check did not bind the supplied identifiers to the caller's organization. The attacker could not read the other organization's queues or jobs, so this issue did not disclose confidential data. This issue is fixed in version 1.0.2.

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
None
Integrity
Low
Availability
Low

Exploit likelihood

0.27%Unchanged since Oct 31, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.3

Coop has cross-org IDOR in addAccessibleQueuesForUser / removeAccessibleQueuesForUser

Coop is an open source review and moderation tool from ROOST. Prior to 1.0.2, addAccessibleQueuesForUser and removeAccessibleQueuesForUser accepted arbitrary queueId and userId values without organization scoping. An authenticated user belonging to one organization and holding MRT queue-edit permission could grant or revoke another organization's users' access to manual review queues. The existing queue-edit permission check did not bind the supplied identifiers to the caller's organization. The attacker could not read the other organization's queues or jobs, so this issue did not disclose confidential data. This issue is fixed in version 1.0.2.

Record
CVE-2026-63401
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-639
Updated
2026-11-02
EUVDEUVD-2026-114549 5.3

Coop is an open source review and moderation tool from ROOST. Prior to 1.0.2, addAccessibleQueuesForUser and removeAccessibleQueuesForUser accepted arbitrary queueId and userId values without organization scoping. An authenticated user belonging to one organization and holding MRT queue-edit permission could grant or revoke another organization's users' access to manual review queues. The existing queue-edit permission check did not bind the supplied identifiers to the caller's organization. The attacker could not read the other organization's queues or jobs, so this issue did not disclose confidential data. This issue is fixed in version 1.0.2.

Record
EUVD-2026-114549
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Updated
2026-11-02
NVD 5.3

Coop is an open source review and moderation tool from ROOST. Prior to 1.0.2, addAccessibleQueuesForUser and removeAccessibleQueuesForUser accepted arbitrary queueId and userId values without organization scoping. An authenticated user belonging to one organization and holding MRT queue-edit permission could grant or revoke another organization's users' access to manual review queues. The existing queue-edit permission check did not bind the supplied identifiers to the caller's organization. The attacker could not read the other organization's queues or jobs, so this issue did not disclose confidential data. This issue is fixed in version 1.0.2.

Record
CVE-2026-63401
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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
Weakness
CWE-639
Updated
2026-11-03
OSV 5.3

Coop has cross-org IDOR in addAccessibleQueuesForUser / removeAccessibleQueuesForUser

Coop is an open source review and moderation tool from ROOST. Prior to 1.0.2, addAccessibleQueuesForUser and removeAccessibleQueuesForUser accepted arbitrary queueId and userId values without organization scoping. An authenticated user belonging to one organization and holding MRT queue-edit permission could grant or revoke another organization's users' access to manual review queues. The existing queue-edit permission check did not bind the supplied identifiers to the caller's organization. The attacker could not read the other organization's queues or jobs, so this issue did not disclose confidential data. This issue is fixed in version 1.0.2.

Record
CVE-2026-63401
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-639
Updated
2026-11-04

Affected products

History

History
RecordedChangedSources
factsNVD, OSV
first indexedCVE List, EUVD, NVD, OSV

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

In short

CVE-2026-63401 is a medium vulnerability (CVSS 5.3) in Roostorg Coop, published October 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.

References

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