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2 vulnerabilities by blackholll
CVE-2026-121937 (GCVE-0-2026-121937)
Vulnerability from nvd – Published: 2026-11-04 12:31 – Updated: 2026-11-04 18:55
VLAI
EPSS
VEX
Title
loonflow before r3.2.3 IDOR via ticket_flow_history Endpoint
Summary
loonflow before r3.2.3 contains a missing authorization vulnerability in TicketFlowHistoryView that allows any authenticated user to read other users' ticket flow history by supplying a ticket UUID. Attackers can request the ticket_flow_history endpoint, which skips ticket_view_permission_check, to obtain approval comments and processor names, emails and phone numbers.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 18:55 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/blackholll/loonflow/issues/591 | issue-tracking |
| https://hackmd.io/@hieuPenguinnn/loonflow-ticket-… | third-party-advisory |
| https://github.com/blackholll/loonflow/commit/a64… | patch |
| https://github.com/blackholll/loonflow/blob/r3.2.… | technical-description |
| https://www.vulncheck.com/advisories/loonflow-bef… | third-party-advisory |
| https://hackmd.io/@hieuPenguinnn/cve-2026-121937-… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| blackholll | loonflow |
Affected:
0 , < r3.2.3
(custom)
cpe:2.3:a:loonflow_project:loonflow:*:*:*:*:*:*:*:* |
Date Public
2026-10-22 14:19
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CVE-2026-121937 (GCVE-0-2026-121937)
Vulnerability from cvelistv5 – Published: 2026-11-04 12:31 – Updated: 2026-11-04 18:55
VLAI
EPSS
VEX
Title
loonflow before r3.2.3 IDOR via ticket_flow_history Endpoint
Summary
loonflow before r3.2.3 contains a missing authorization vulnerability in TicketFlowHistoryView that allows any authenticated user to read other users' ticket flow history by supplying a ticket UUID. Attackers can request the ticket_flow_history endpoint, which skips ticket_view_permission_check, to obtain approval comments and processor names, emails and phone numbers.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 18:55 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/blackholll/loonflow/issues/591 | issue-tracking |
| https://hackmd.io/@hieuPenguinnn/loonflow-ticket-… | third-party-advisory |
| https://github.com/blackholll/loonflow/commit/a64… | patch |
| https://github.com/blackholll/loonflow/blob/r3.2.… | technical-description |
| https://www.vulncheck.com/advisories/loonflow-bef… | third-party-advisory |
| https://hackmd.io/@hieuPenguinnn/cve-2026-121937-… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| blackholll | loonflow |
Affected:
0 , < r3.2.3
(custom)
cpe:2.3:a:loonflow_project:loonflow:*:*:*:*:*:*:*:* |
Date Public
2026-10-22 14:19
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