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Medium 5.7Published May 31, 2026

CVE-2026-48187Email with special content can lead to DoS

Updated under an hour ago ()

Does this affect you?

It affects OTRS AG OTRS and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

An uncontrolled allocation of resources without limits or throttling in the e-mail handling in OTRS allows excessive allocation which may lead to the abortion of the webserver.This issue affects OTRS: * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X Please note that ((OTRS)) Community Edition 6.x, OTRS 7.x and products based on the ((OTRS)) Community Edition also very likely to be affected

CVSS
5.7 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-400, CWE-770
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
OTRS
NVD analysis
Analyzed
Record last updated
Jun 1, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
OTRS AG OTRS
otrs:otrs (from the name)
7.0.x status unknown; 8.0.x; 2023.x; 2024.x; 2025.x; from 2026.x through 2026.3.x
CNA record
OTRS AG ((OTRS)) Community Edition
otrs:community_edition (from the name)
6.x status unknown
CNA record
otrs otrs
otrs:otrs
through 6.0.32; from 7.0.0 through 8.0.37; from 2023.0.0 before 2026.4.1
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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