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CVE-2026-14999— IBM DataPower Gateway Improper Verification of Cryptographic Signature

Quick assessment

Affected
IBM DataPower Gateway 10.6CD
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM DataPower Gateway 10.5.0.0 至 10.5.0.22、10.6.1 至 10.6.6、10.6.0.0 至 10.6.0.10，以及 11.0.0.0 至 11.0.0.2 版本中可能存在漏洞，攻击者可利用不正确的密码学签名验证机制，通过伪造有效的 JSON Web 签名（JWS）来绕过身份认证。

CVSS 7.4 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
IBM DataPower Gateway 10.5.0 10.5.0.0≤ 10.5.0.22 affected
IBM DataPower Gateway 10.6.0 10.6.0.0≤ 10.6.0.10 affected
IBM DataPower Gateway 10.6CD 10.6.1≤ 10.6.6 affected
IBM DataPower Gateway 11.0.0 11.0.0.0≤ 11.0.0.2 affected
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I. Basic Information for CVE-2026-14999

Vulnerability Information
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Vulnerability Title
IBM DataPower Gateway Improper Verification of Cryptographic Signature
Source: CVE Program / CVE List V5
Vulnerability Description
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to bypass authentication by forging valid JSON Web Signatures due to improper verification of cryptographic signatures.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM DataPower Gateway 10.6CD 10.6.1 ~ 10.6.6 cpe:2.3:a:ibm:datapower_gateway_106cd:10.6.1:*:*:*:*:*:*:*
IBM DataPower Gateway 10.6.0 10.6.0.0 ~ 10.6.0.10 cpe:2.3:a:ibm:datapower_gateway_1060:10.6.0.0:*:*:*:*:*:*:*
IBM DataPower Gateway 11.0.0 11.0.0.0 ~ 11.0.0.2 cpe:2.3:a:ibm:datapower_gateway_1100:11.0.0.0:*:*:*:*:*:*:*
IBM DataPower Gateway 10.5.0 10.5.0.0 ~ 10.5.0.22 cpe:2.3:a:ibm:datapower_gateway_1050:10.5.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14999

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III. Intelligence Information for CVE-2026-14999

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Other References for CVE-2026-14999 (1)

Same Patch Batch · IBM · 2026-10-08 · 53 CVEs total

CVE-2026-16340 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-14502 9.8 CRITICAL IBM DataPower Gateway Improper Authentication
CVE-2026-14269 9.8 CRITICAL IBM DataPower Gateway Buffer Overflow
CVE-2026-14992 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-14991 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-15762 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-84272 9.8 CRITICAL IBM Guardium Data Protection Missing Authentication
CVE-2026-14990 9.3 CRITICAL IBM DataPower Gateway affected by cross-site scripting
CVE-2026-84244 9.3 CRITICAL IBM Guardium Data Protection Cross-Site Scripting
CVE-2026-16159 8.6 HIGH IBM DataPower Gateway Out-of-bounds Write
CVE-2026-16163 8.6 HIGH IBM DataPower Gateway Out-of-bounds Write
CVE-2026-84250 8.4 HIGH IBM Guardium Data Protection Hard-coded Credentials
CVE-2026-15824 8.2 HIGH IBM DataPower Gateway Denial of Service
CVE-2026-14905 8.2 HIGH IBM DataPower Gateway XXE
CVE-2026-14496 8.2 HIGH IBM DataPower Gateway Out-of-bounds Read
CVE-2026-15784 8.1 HIGH IBM DataPower Gateway Out-of-bounds Write
CVE-2026-14888 8.1 HIGH IBM DataPower Gateway Buffer Overflow
CVE-2026-82335 8.1 HIGH IBM Guardium Data Protection Buffer Overflow
CVE-2026-14497 8.1 HIGH IBM DataPower Gateway Improper Verification of Cryptographic Signature
CVE-2026-82334 8.1 HIGH IBM Guardium Data Protection Out-of-bounds Read

Showing top 20 of 53 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: DataPower Gateway 10.6CD
Same vendor: IBM
Same weakness: CWE-347

V. Comments for CVE-2026-14999

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