TI-2026-35620 Aliases CVE-2026-48210 GHSA-f9pc-83mw-48hx

Possible information disclosure via External Interface

LOW 25CWE-200Published 2026-05-31 · Updated 2026-06-01

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Information disclosure, Privilege escalation
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200 and CWE-269.

Summary

An improper default configuration in OTRS 2026.3.1 causes ticket article forwarding actions to enforce the “Is visible for customer” flag by default and prevent users from disabling it via the UI. This leads to unintended exposure of internal ticket information to the External Frontend This issue affects OTRS 2026.3.1

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00248 16th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
OTRS AG	OTRS	2026.3.1	—	No fix listed	CNA

OTRS VendorOTRS AG Affected 2026.3.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:otrs:otrs:2026.3.1:::::::*	2026.3.1	Vulnerable	OTRS AG

cpe:2.3:a:otrs:otrs:2026.3.1:*:*:*:*:*:*:* Versions 2026.3.1 Vulnerable ·OTRS AG

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-48210
2026-10-03 Alias added: GHSA-f9pc-83mw-48hx

References

Advisory 1

https://otrs.com/release-notes/otrs-security-advisory-2026-09/

TI-2017-12458 In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS… CVSS 3.0HIGH 8.8
TI-2026-35608 SQL Injection via MySQL Quote Method CVSS 3.1CRITICAL 9.1
TI-2023-04991 SSL Certificates are not checked for E-Mail Handling CVSS 3.1CRITICAL 9.1
TI-2022-04045 SQL Injection via OTRS Search API CVSS 3.1CRITICAL 9.8
TI-2017-12258 Code injection exists in Kernel/System/Spelling.pm in Open Ticket Request System (OTRS) 5… CVSS 3.0HIGH 8.8
TI-2017-06753 In Open Ticket Request System (OTRS) 3.3.x through 3.3.16, 4.x through 4.0.23, and 5.x… CVSS 3.0HIGH 8.8

See all 141 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences