CVE-2026-55835

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Source
https://cve.org/CVERecord?id=CVE-2026-55835
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-55835.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-55835
Aliases
  • GHSA-66gj-hmcp-5cfj
Published
2026-10-23T04:14:02Z
Modified
2026-10-28T02:30:55Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:L CVSS Calculator
Summary
Lookyloo: Potential sub-system DoS due to parameter missmatch in notification
Details

Lookyloo is a web interface that allows users to capture a website page and then display a tree of domains that call each other. Prior to version 1.39.4, an unauthenticated user can trigger Lookyloo's "report a capture" email on demand (this is expected). The /json//report API endpoint (CaptureReport) is incorrectly passing the email and comment parameters, overwriting as_admin. When True, as_admin will trigger a search query on a MISP instance (if configured) and add a list of matching URLs in the email sent to the analyst (not the submitter, so there is no risk of leaking information) . It could potentially cause a DoS on the MISP instance. This issue has been patched in version 1.39.4.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-233"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55835.json"
}
References

Affected packages

Git / github.com/lookyloo/lookyloo

Affected ranges

Type
GIT
Repo
https://github.com/lookyloo/lookyloo
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
13880471db6a28ee849c047aa6d963cb8013713a
Fixed
d5b9a401998cd50b88e5d7425f82baac78d8f082
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "1.39.4"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
        },
        {
            "range": [
                {
                    "fixed": "d5b9a401998cd50b88e5d7425f82baac78d8f082"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "v1.39.4",
            "range": [
                {
                    "fixed": "13880471db6a28ee849c047aa6d963cb8013713a"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

v0.*
v0.6
v1.*
v1.0
v1.1
v1.10
v1.10.0
v1.11.0
v1.12.0
v1.13.0
v1.14.0
v1.15.0
v1.16.0
v1.17.0
v1.18.0
v1.19.0
v1.2
v1.20.0
v1.21.0
v1.22.0
v1.23.0
v1.24.0
v1.25.0
v1.26.0
v1.26.1
v1.27.0
v1.28.0
v1.28.1
v1.29.0
v1.3
v1.30.0
v1.31.0
v1.32.0
v1.33.0
v1.34.0
v1.35.0
v1.35.1
v1.35.2
v1.35.3
v1.36.0
v1.36.1
v1.37.0
v1.38.0
v1.38.1
v1.39.0
v1.39.3
v1.4.0
v1.5.0
v1.6.0
v1.7.0
v1.8.0
v1.9.0
v1.9.1
v1.9.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-55835.json"