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IBM Datacap CVE-2026-8636

| EUVDEUVD-2026-38283 HIGH
Cleartext Storage of Sensitive Information in Memory (CWE-316)
2026-06-22 ibm GHSA-xfpj-q55p-7h2m
7.5
CVSS 3.1 · NVD
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Severity by source

Vendor (ibm) PRIMARY
MEDIUM
qualitative
NVD
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
5.5 MEDIUM

Reading cleartext secrets from process memory realistically needs local, low-privileged host access (AV:L, PR:L); impact is confidentiality-only (C:H, I:N, A:N) with no scope change.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (ibm).

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

6
Analysis Updated
Jun 26, 2026 - 21:29 vuln.today
v3 (cvss_changed)
Analysis Updated
Jun 26, 2026 - 21:29 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Jun 26, 2026 - 21:22 vuln.today
cvss_changed
Severity Changed
Jun 26, 2026 - 21:22 NVD
MEDIUM HIGH
CVSS changed
Jun 26, 2026 - 21:22 NVD
5.5 (MEDIUM) 7.5 (HIGH)
Analysis Generated
Jun 22, 2026 - 16:07 vuln.today

DescriptionNVD

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.

AnalysisAI

Sensitive-data disclosure in IBM Datacap and Datacap Navigator (versions 9.1.7, 9.1.8, 9.1.9) lets an attacker recover user passwords and cryptographic keys that the application holds in cleartext in memory; the recovered keys can then decrypt stored credentials, authenticate to the application, and reach sensitive data in the backing database. IBM has released a patch. There is no public exploit identified at time of analysis, EPSS exploitation probability is negligible (0.08%, 0th percentile), and CISA SSVC rates exploitation as 'none' - indicating low immediate field risk despite the high CVSS confidentiality impact.

Technical ContextAI

IBM Datacap is an enterprise document/data-capture platform and Datacap Navigator is its web client. The root cause maps to CWE-316 (Cleartext Storage of Sensitive Information in Memory): the process retains passwords and the cryptographic key material used to protect them in an unprotected, recoverable form within process memory rather than zeroizing or encrypting it. Because the same key that protects stored passwords is exposed, an attacker who reads that memory can reverse the protection scheme, decrypt credential stores, and laterally access the application database. Affected packages per CPE are cpe:2.3:a:ibm:datacap and cpe:2.3:a:ibm:datacap_navigator (all version fields wildcard in NVD CPE, with EUVD constraining to the 9.1.7-9.1.9 lines).

RemediationAI

Apply the IBM-released fix per the vendor advisory at https://www.ibm.com/support/pages/node/7276609 (Patch available per vendor advisory; the advisory enumerates the fixed fix-pack levels above the vulnerable 9.1.7 ≤1.8.4 and Navigator 9.1.7 ≤8.2.1.0 builds - confirm the exact target build from that page rather than an assumed version number). Until the patch is deployed, reduce exposure of the credential/key material: restrict and monitor administrative and local access to the Datacap application servers so process memory cannot be read by unprivileged users, segment the Datacap and Navigator hosts away from general user networks, and rotate any application passwords and cryptographic keys after patching since pre-patch keys may already be compromised. Note the trade-off that host-access restrictions and network segmentation limit operator convenience and remote administration but do not themselves remove the in-memory exposure - only the vendor patch does that.

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IBM Datacap Navigator 9.1.5, 9.1.6, 9.1.7, 9.1.8, and 9.1.9 uses weaker than expected cryptographic algorithms that coul

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5.3 Jul 15

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CVE-2026-8636 vulnerability details – vuln.today

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