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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-1658

User Interface (UI) Misrepresentation of Critical Information vulnerability in OpenText™ Directory Services allows Cache Poisoning.

MEDIUM 5.3EPSS 0.27%

Does this matter?

Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own.

Description

User Interface (UI) Misrepresentation of Critical Information vulnerability in OpenText™ Directory Services allows Cache Poisoning.  The vulnerability could be exploited by a bad actor to inject manipulated text into the OpenText application, potentially misleading users. This issue affects Directory Services: from 20.4.1 through 25.2.

CVSS 4.0
5.3 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.27% probability · 19th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-451
Affected
opentext/directory services
Source
security@opentext.com
EPSS trend
0%3%5%26 October 2026: 0.27%26 October 202626 October 2026

EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.