How severe is CVE-2026-48210?

CVE-2026-48210 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-48210 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48210?

CVE-2026-48210 affects Otrs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-48210?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-48210 have an EU (EUVD) identifier?

Yes. CVE-2026-48210 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33518.

When was CVE-2026-48210 published?

CVE-2026-48210 was published on 2026-05-31 and last updated on 2026-06-17.

CVE-2026-48210

CVE-2026-48210 is a medium-severity vulnerability in Otrs with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33518
Weakness: CWE-200
Affected product: Otrs
Published: 2026-05-31
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-48210?: 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
How severe is CVE-2026-48210?: CVE-2026-48210 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-48210 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48210?: CVE-2026-48210 affects Otrs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-48210?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-48210 have an EU (EUVD) identifier?: Yes. CVE-2026-48210 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33518.
When was CVE-2026-48210 published?: CVE-2026-48210 was published on 2026-05-31 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:otrs:otrs:2026.3.1:*:*:*:*:*:*:*

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