CVE-2026-78415: IBM Sterling Secure Proxy · Cross-site Scripting
Affects IBM Sterling Secure ProxySource CVE Database V5
Not known to be exploited · CVSS 5.4 Medium.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 14 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMSterling Secure Proxy | Affected
| Fixed in– |
CPE configurations (2)
cpe:2.3:a:ibm:sterling_secure_proxy:6.2.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:sterling_secure_proxy:6.2.1.2:*:*:*:*:*:*:*
AI-suggested
Until an official fix is available, limit access to trusted users and monitor for suspicious activity related to UI spoofing or phishing attempts within the affected versions.
Description
IBM Sterling Secure Proxy 6.2.0.0 through 6.2.1.2 could allow a remote authenticated attacker to perform UI spoofing and phishing attacks due to improper neutralization of user-supplied HTML markup.