Outsystems Platform Server 11.18.1.37828 allows attackers to cause a denial of service via a crafted content-length value mismatching the b…

published 2025-12-09 11mo ago modified 2026-11-04 5d ago also EUVD-2025-202263

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 10mo ago (2025-12-11)

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

balwurk.github.io https://balwurk.github.io/CVE-2025-61258/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

CWE-444 Inconsistent Interpretation of HTTP Requests

References

balwurk.github.io /CVE-2025-61258/
exploit, third-party-advisory
outsystems.com /
product
balwurk.com /
not-applicable
ghostline.neocities.org /CVE-2025-61258/

Sources

CVE List CVE-2025-61258
NVD CVE-2025-61258

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