CVE-2026-4256: Improper neutralization of special elements used in an LDAP query ('LDAP injection') vulnerability in PEAKUP Technology Inc. PassGate allows LDAP Injection. This issue affects Pas
Improper neutralization of special elements used in an LDAP query ('LDAP injection') vulnerability in PEAKUP Technology Inc. PassGate allows LDAP Injection.
This issue affects PassGate: through 30042026.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-4256
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-42560.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-4256 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Improper neutralization of
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-58591: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
- unknownCVE-2026-58588: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
- unknownCVE-2026-58587: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
- unknownCVE-2026-55808: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
- unknownCVE-2026-15085: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
- unknownCVE-2026-15084: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
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