CVE & CISA-KEV Catalog

CVE-2026-1836

MEDIUM
5.3
CVSS v4
NVD

Description

The system stores the username and password from the login form after submitting the request. This could allow an attacker with access to the platform to return to the browser and view the login credentials.

How to fix

Remediation Available
redmineDebian
Fixed in:6.1.3+ds-1CVE-2026-1836

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v4 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow

Impact

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Intelligence

0.10%probability of exploitation in 30 days
1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Other references1

Related Vulnerabilities

Other CWE-257 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2026-20128High7.56.9%KEVFix
CVE-2023-23382Medium6.53.1%-Fix
CVE-2019-1010241Medium6.51.5%--
CVE-2024-32151Medium5.91.3%--
CVE-2021-27485High7.51.2%-Fix
CVE-2021-0220Medium6.81.2%--

Common questions

How do I fix CVE-2026-1836?

Upgrade redmine on debian unstable to 6.1.3+ds-1 or later.

Is CVE-2026-1836 being actively exploited?

Not that we know of. CVE-2026-1836 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.10% is the estimated probability that it will be exploited in the next 30 days. That is higher than 1% of all scored CVEs.

How severe is CVE-2026-1836?

CVE-2026-1836 has a CVSS v4 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-1836 affect?

Published advisories record a fix for redmine (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-1836
CVE-2026-1836 severity badge

Markdown

[![CVE-2026-1836](https://tridentstack.com/cve/badge/CVE-2026-1836.svg)](https://tridentstack.com/cve/CVE-2026-1836)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-1836"><img src="https://tridentstack.com/cve/badge/CVE-2026-1836.svg" alt="CVE-2026-1836"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it worksStart freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.