How severe is CVE-2026-19851?

CVE-2026-19851 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2026-19851 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-19851?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-19851 published?

CVE-2026-19851 was published on 2026-08-25 and last updated on 2026-08-28.

CVE-2026-19851

CVE-2026-19851 is a high-severity vulnerability with a CVSS 3.x base score of 7.7. 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-1393.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1393
Published: 2026-08-25
Last modified: 2026-08-28

Description

A Use of Default Password vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5 could allow an attacker to gain access to user accounts created during XML import.

Frequently asked questions

What is CVE-2026-19851?: A Use of Default Password vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5 could allow an attacker to gain access to user accounts created during XML import.
How severe is CVE-2026-19851?: CVE-2026-19851 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2026-19851 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-19851?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-19851 published?: CVE-2026-19851 was published on 2026-08-25 and last updated on 2026-08-28.

References

https://www.3ds.com/trust-center/security/security-advisories/cve-2026-19851

Other CWE-1393 vulnerabilities

CVE-2025-26701 — Critical (CVSS 10.0): An issue was discovered in Percona PMM Server (OVA) before 3.0.0-1.ova. The default service account credentials can…
CVE-2024-51555 — Critical (CVSS 10.0): Default Credentail vulnerabilities allows access to an Aspect device using publicly available default credentials since…
CVE-2026-69657 — Critical (CVSS 9.8): XING CPTrans-ME-X contains a Use of Default Password (CWE-1393). Anyone with the knowledge of the credential may log in…
CVE-2026-5269 — Critical (CVSS 9.8): In Ciena's Navigator Network Control Suite (NCS) and Manage Control Plan (MCP), there are hidden system accounts used…
CVE-2026-35075 — Critical (CVSS 9.8): An unauthenticated remote attacker can recover a default, hard coded password from a firmware image and thus gain full…
CVE-2026-33784 — Critical (CVSS 9.8): A Use of Default Password vulnerability in the Juniper Networks Support Insights (JSI) Virtual Lightweight…

Browse all CWE-1393 vulnerabilities →