Cyber Resilience

CVE-2025-61258

HighPublic PoC

Published: 09 December 2025

Published
09 December 2025
Modified
24 December 2025
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0013 32.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-61258 is a high-severity HTTP Request/Response Smuggling (CWE-444) vulnerability in Outsystems Platform Server. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 32.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Outsystems Platform Server 11.18.1.37828 allows attackers to cause a denial of service via a crafted content-length value mismatching the body length. NOTE: the Supplier indicates that they are unable to reproduce this.

CWE(s)
CWE-444

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

outsystems
platform server
11.18.1.37828

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References