O2OA up to 10.0.2-ce Attachment Download x_processplatform_assemble_surface id/workId authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k1.67+

Summaryinfo

A vulnerability, which was classified as problematic, was found in O2OA up to 10.0.2-ce. Affected by this vulnerability is the function ActionDownloadWithWork/ActionDownloadWithWorkStream of the file x_processplatform_assemble_surface of the component Attachment Download. Such manipulation of the argument id/workId leads to authorization. This vulnerability is listed as CVE-2026-111620. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in O2OA up to 10.0.2-ce. It has been rated as problematic. Affected by this issue is the function ActionDownloadWithWork/ActionDownloadWithWorkStream of the file x_processplatform_assemble_surface of the component Attachment Download. The manipulation of the argument id/workId with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality. CVE summarizes:

O2OA through 10.0.2-ce contains an authorization bypass vulnerability in x_processplatform_assemble_surface that allows authenticated users to download attachments from other works. ActionDownloadWithWork and ActionDownloadWithWorkStream never verify that the requested attachment id belongs to the referenced work or draft, so any visitable work or owned draft can be supplied. Attackers who know an attachment UUID can request it through jaxrs/attachment/download/{id}/work/{workId} to read documents attached to other users' processes.

The advisory is shared for download at hackmd.io. This vulnerability is handled as CVE-2026-111620 since 10/16/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/16/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/16/2026 Advisory disclosed
10/16/2026 +0 days CVE reserved
10/16/2026 +0 days VulDB entry created
10/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: hackmd.io
Status: Not defined

CVE: CVE-2026-111620 (🔒)
GCVE (CVE): GCVE-0-2026-111620
GCVE (VulDB): GCVE-100-421388

Entryinfo

Created: 10/16/2026 20:22
Changes: 10/16/2026 20:22 (75)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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