VDB-372718 · CVE-2026-8636 · GCVE-0-2026-8636

IBM Datacap/Datacap Navigator up to 1.8.4/9.1.8/9.1.9 User Password cleartext storage in memory

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3	$0-$5k	5.20

Summaryinfo

A vulnerability labeled as problematic has been found in IBM Datacap and Datacap Navigator up to 1.8.4/9.1.8/9.1.9. Impacted is an unknown function of the component User Password Handler. Executing a manipulation can lead to cleartext storage in memory. This vulnerability appears as CVE-2026-8636. The attack requires local access. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in IBM Datacap and Datacap Navigator up to 1.8.4/9.1.8/9.1.9. This vulnerability affects an unknown part of the component User Password Handler. The manipulation with an unknown input leads to a cleartext storage in memory vulnerability. The CWE definition for the vulnerability is CWE-316. The product stores sensitive information in cleartext in memory. As an impact it is known to affect confidentiality. CVE summarizes:

IBM Datacap 9.1.7, 9.1.8, and 9.1.9 and IBM Datacap Navigator 9.1.7, 9.1.8, and 9.1.9 allows an attacker to retrieve user passwords and cryptographic keys from memory. Attacker can use the same keys to decrypt password, gain access to the application and access sensitive data in the database.

The advisory is available at ibm.com. This vulnerability was named CVE-2026-8636 since 05/14/2026. The exploitation appears to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1555 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

commercial

Website

Vendor: https://www.ibm.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (ibm): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Cleartext storage in memory
CWE: CWE-316 / CWE-312 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/14/2026 CVE reserved
06/22/2026 +39 days Advisory disclosed
06/22/2026 +0 days VulDB entry created
06/22/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2026-8636 (🔒)
GCVE (CVE): GCVE-0-2026-8636
GCVE (VulDB): GCVE-100-372718

Entryinfo

Created: 06/22/2026 18:07
Changes: 06/22/2026 18:07 (63)
Complete: 🔍
Cache ID: 216::103