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CVE-2026-14999

HIGH 7.4

Published 2026-10-08 · Last modified 2026-10-09

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.

ELEVATED IMPACT

Severe if exploited (CVSS 7.4), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 8th percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

7.4CVSS 3.1 · HIGH

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ⚠Complexity: Needs a race window or specific setup

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-14999/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-14999/poc.json

Affected

Vendors Ibm

Products Datapower Gateway 10.6cd Datapower Gateway 10.6.0 Datapower Gateway 11.0.0 Datapower Gateway 10.5.0 Datapower Gateway

Weakness (CWE)

  • CWE-347: Improper Verification of Cryptographic Signature

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Known Affected Software Configurations

VendorProductVersion range
IbmDatapower Gateway≥ 10.5.0.0 and < 10.5.0.23
IbmDatapower Gateway≥ 10.6.0.0 and < 10.6.0.11
IbmDatapower Gateway≥ 10.6.1.0 and < 11.0.0.3
IbmDatapower Gateway≥ 11.0.0.0 and < 11.0.0.3

All CVSS metrics

  • HIGH 7.4 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
  • HIGH 7.4 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
  • HIGH 7.5 v3.1 · NVD Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Patches & mitigations

Sources: NVD · CVE.org · EPSS