cve.bz

CVE-2026-18668

6.5 mediumEPSS 0.3%

Medium (6.5) in ibm sterling file gateway. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.

IBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and  6.2.2.0 - 6.2.2.1_1 could allow a remote attacker to perform protocol downgrade attacks due to a security misconfiguration.

Severity

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS
0.3% estimated probability of exploitation activity in the next 30 days; 25th percentile. Scored 2026-11-10. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: yes · Technical impact: partial, assessed 2026-11-09. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-693 Protection Mechanism Failure
OWASP Top 10
A06:2025 Insecure Design
Published
Modified
NVD analysis
Awaiting analysis
Record from
the NVD, synced

Ask an AI about this CVE

ChatGPTClaudeGoogle AI Mode

Show the promptExplain CVE-2026-18668 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-18668?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-18668?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-18668 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
IBM Sterling File Gatewayfrom 6.2.1.0 through 6.2.1.2_1, 6.2.2.0 - 6.2.2.1_1

Attack patterns (CAPEC)

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-693 (17).

References

Check your stackJSON