CVE-2026-91772

Source
https://cve.org/CVERecord?id=CVE-2026-91772
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91772.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-91772
Published
2026-09-15T01:20:33Z
Modified
2026-09-25T08:09:05Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N CVSS Calculator
Summary
Halo through 2.26.1 Open Redirect via Unvalidated URI Parameter
Details

Halo through 2.26.1 contains an open redirect vulnerability in the anonymous thumbnail endpoint that fails to validate the uri query parameter. Attackers can craft malicious links on the trusted Halo domain that redirect visitors to arbitrary external sites, enabling phishing attacks and abuse of redirect-based trust relationships.

Database specific
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-601"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91772.json"
}
References

Affected packages

Git / github.com/halo-dev/halo

Affected ranges

Type
GIT
Repo
https://github.com/halo-dev/halo
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
Show details
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.26.1"
        },
        {
            "fixed": "2.26.1"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

v0.*
v0.0.1
v0.0.2
v0.0.3
v0.0.4
v0.0.5
v0.0.6
v0.0.7
v0.0.8
v0.0.9
v0.1
v0.1.1
v0.2.0
v0.2.1
v0.3.0
v0.4.0
v0.4.1
v1.*
v1.0.0
v1.0.1
v1.0.2
v1.0.3
v1.1.0
v1.1.1
v1.2.0
v1.3.0
v1.3.0-beta.1
v1.3.0-beta.2
v1.3.0-beta.3
v1.3.0-beta.4
v1.3.1
v1.3.2
v1.4.0
v1.4.0-beta.1
v1.4.0-beta.2
v1.4.0-beta.3
v1.4.1
v1.4.11
v1.4.12
v1.4.13
v1.4.2
v1.4.3
v1.4.3-beta.1
v1.4.3-beta.2
v1.4.3-beta.3
v1.4.4
v1.4.5
v1.4.6
v1.4.7
v1.4.7-beta.1
v1.4.8
v1.4.9
v1.5.0-alpha.1
v2.*
v2.0.0
v2.0.0-alpha.1
v2.0.0-alpha.2
v2.0.0-alpha.3
v2.0.0-alpha.4
v2.0.0-beta.1
v2.0.0-beta.2
v2.0.0-rc.1
v2.0.0-rc.2
v2.1.0
v2.1.0-rc.1
v2.10.0
v2.10.0-alpha.1
v2.10.0-beta.1
v2.11.0
v2.11.0-rc.1
v2.11.0-rc.2
v2.12.0
v2.12.0-alpha.1
v2.12.0-alpha.2
v2.12.0-beta.1
v2.12.0-beta.2
v2.12.0-rc.1
v2.12.0-rc.2
v2.12.3
v2.13.0
v2.13.0-rc.1
v2.14.0
v2.14.0-rc.1
v2.15.0
v2.15.0-rc.1
v2.16.0
v2.16.0-rc.1
v2.16.0-rc.2
v2.17.0
v2.17.0-alpha.1
v2.17.0-alpha.2
v2.17.0-beta.1
v2.17.0-rc.1
v2.18.0
v2.18.0-rc.1
v2.19.0
v2.19.0-rc.1
v2.19.0-rc.2
v2.19.0-rc.3
v2.19.0-rc.4
v2.2.0
v2.20.0
v2.20.0-rc.1
v2.20.0-rc.2
v2.20.1
v2.20.10
v2.20.11
v2.20.12
v2.20.13
v2.20.14
v2.20.15
v2.20.16
v2.20.17
v2.20.18
v2.20.19
v2.20.2
v2.20.20
v2.20.21
v2.20.3
v2.20.4
v2.20.5
v2.20.6
v2.20.7
v2.20.8
v2.20.9
v2.21.0
v2.21.0-alpha.1
v2.21.0-alpha.2
v2.21.0-beta.1
v2.21.0-beta.2
v2.21.1
v2.21.2
v2.21.3
v2.21.4
v2.21.5
v2.21.6
v2.21.7
v2.21.8
v2.21.9
v2.22.0
v2.22.0-alpha.1
v2.22.0-alpha.2
v2.22.0-alpha.3
v2.22.0-alpha.4
v2.22.0-rc.1
v2.22.1
v2.22.10
v2.22.11
v2.22.2
v2.22.3
v2.22.4
v2.22.5
v2.22.6
v2.22.7
v2.22.8
v2.22.9
v2.23.0
v2.23.0-beta.1
v2.23.0-beta.2
v2.23.1
v2.23.2
v2.24.0
v2.24.1
v2.24.2
v2.25.0
v2.25.0-beta.1
v2.25.0-beta.2
v2.25.1
v2.25.2
v2.25.3
v2.25.4
v2.26.0
v2.26.0-beta.1
v2.26.0-beta.2
v2.26.0-beta.3
v2.3.0
v2.3.0-rc.1
v2.4.0
v2.4.0-rc.1
v2.5.0
v2.5.0-rc.1
v2.5.0-rc.2
v2.5.1
v2.6.0
v2.6.0-rc.1
v2.7.0
v2.7.0-rc.1
v2.7.0-rc.2
v2.8.0
v2.8.0-rc.1
v2.8.0-rc.2
v2.9.0
v2.9.0-rc.1

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91772.json"
vanir_signatures
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "166855948397904678103112474001187415800",
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                "195457363847359597083094171205036903003",
                "224848528698756094740901327098727165309",
                "283393648080333598372012606794697049520",
                "236348070274883809667097415511024568022",
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                "311149303485528184833479854982320563134",
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                "117345975946047174688202603232007147149",
                "334252489208379643464063327835252983374",
                "52411519495482715764667387245805782963"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-91772-9a1e400e",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/halo-dev/halo/commit/88c2ef14355c79a4dbd1d5c3246b3ea32836e06b",
        "target": {
            "file": "application/src/test/java/run/halo/app/core/reconciler/PluginReconcilerTest.java"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "241275643593736170166702228213220464358",
            "length": 2890
        },
        "id": "CVE-2026-91772-cad3c346",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/halo-dev/halo/commit/88c2ef14355c79a4dbd1d5c3246b3ea32836e06b",
        "target": {
            "file": "application/src/main/java/run/halo/app/core/reconciler/PluginReconciler.java",
            "function": "loadOrReload"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "265989160307302484927426312053291156588",
            "length": 234
        },
        "id": "CVE-2026-91772-d10690c3",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/halo-dev/halo/commit/88c2ef14355c79a4dbd1d5c3246b3ea32836e06b",
        "target": {
            "file": "application/src/test/java/run/halo/app/core/reconciler/PluginReconcilerTest.java",
            "function": "setUp"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "194065642635000353690384152114066277384",
            "length": 3542
        },
        "id": "CVE-2026-91772-da0080e4",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/halo-dev/halo/commit/88c2ef14355c79a4dbd1d5c3246b3ea32836e06b",
        "target": {
            "file": "application/src/main/java/run/halo/app/core/reconciler/PluginReconciler.java",
            "function": "enablePlugin"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "301381563776612969342084214891742736110",
                "171130132708040216699532027824588269522",
                "84424102573194305852747138707079011205",
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                "284332428043675193981115043033967254969",
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                "149165404765612833904578893644758777831",
                "190167266381730927013359142173139635661",
                "188985181374254991514257168637647047861",
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                "279836683970287267522139548131220175054"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-91772-e8ad7d7e",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/halo-dev/halo/commit/88c2ef14355c79a4dbd1d5c3246b3ea32836e06b",
        "target": {
            "file": "application/src/main/java/run/halo/app/core/reconciler/PluginReconciler.java"
        }
    }
]
vanir_signatures_modified
"2026-09-25T08:09:05Z"