CVE-2025-26042

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Source
https://cve.org/CVERecord?id=CVE-2025-26042
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-26042.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-26042
Aliases
Published
2025-03-17T00:00:00Z
Modified
2026-10-21T02:30:55Z
Severity
  • 6.0 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H CVSS Calculator
Summary
[none]
Details

Uptime Kuma >== 1.23.0 has a ReDoS vulnerability, specifically when an administrator creates a notification through the web service. If a string is provided it triggers catastrophic backtracking in the regular expression, leading to a ReDoS attack.

Database specific 
{
    "cna_assigner":  "mitre",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/26xxx/CVE-2025-26042.json"
}
References

Affected packages

Git / github.com/louislam/uptime-kuma

Affected ranges

Type
GIT
Repo
https://github.com/louislam/uptime-kuma
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
7a9191761dbef6551c2a0aa6eed5f693ba48d688
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "fixed":  "7a9191761dbef6551c2a0aa6eed5f693ba48d688"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

1.*
1.0.0
1.0.1
1.0.10
1.0.2
1.0.3
1.0.4
1.0.5
1.0.7
1.0.8
1.0.9
1.1.0
1.10.0
1.10.1
1.10.2
1.11.0
1.11.1
1.11.2
1.11.3
1.11.4
1.12.0
1.12.1
1.14.0-beta.1
1.14.0-beta.2
1.16.0-beta.0
1.17.0
1.17.0-beta.0
1.17.0-beta.1
1.17.1
1.19.0
1.19.0-beta.1
1.19.0-beta.2
1.19.1
1.19.2
1.19.3
1.19.4
1.2.0
1.20.0-beta.0
1.21.0
1.21.0-beta.0
1.21.0-beta.1
1.21.1
1.21.2
1.21.2-beta.0
1.23.0
1.23.0-beta.0
1.23.0-beta.1
1.23.1
1.3.0
1.3.1
1.3.2
1.6.0
1.7.0
1.9.0
1.9.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-26042.json"