CVE-2026-40080

Source
https://cve.org/CVERecord?id=CVE-2026-40080
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40080.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-40080
Aliases
  • GHSA-6gr7-53g8-vchq
Downstream
Published
2026-06-25T22:29:51.784Z
Modified
2026-07-08T08:13:12.528439430Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
Cacti: Open Redirect via HTTP_REFERER substring check in auth_login_redirect
Details

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior are vulnerable to Open Redirect through a substring check rather than a host check at strcontains($referer, CACTIPATHURL). When the user's loginopts == '1' (redirect to referer after login), the function used $SERVER['HTTPREFERER'] directly. An attacker could craft a referer such as https://evil.com/cacti/. Where CACTIPATHURL is /cacti/, the substring matches and the user is redirected to evil.com after login. The pre-existing validateredirecturl() helper at lib/htmlutility.php performed proper validation but was not invoked from authlogin_redirect(). This issue has been fixed in version 1.2.31.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40080.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-601"
    ]
}
References

Affected packages

Git / github.com/cacti/cacti

Affected ranges

Type
GIT
Repo
https://github.com/cacti/cacti
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
{
    "cpe": "cpe:2.3:a:cacti:cacti:*:*:*:*:*:*:*:*",
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.2.31"
        }
    ]
}

Affected versions

releaes/1.*
releaes/1.2.19
release/1.*
release/1.0.0
release/1.0.1
release/1.0.2
release/1.0.3
release/1.0.4
release/1.0.5
release/1.0.6
release/1.1.0
release/1.1.1
release/1.1.11
release/1.1.12
release/1.1.13
release/1.1.14
release/1.1.15
release/1.1.16
release/1.1.17
release/1.1.18
release/1.1.19
release/1.1.2
release/1.1.20
release/1.1.21
release/1.1.22
release/1.1.23
release/1.1.24
release/1.1.25
release/1.1.26
release/1.1.27
release/1.1.28
release/1.1.29
release/1.1.3
release/1.1.30
release/1.1.31
release/1.1.32
release/1.1.33
release/1.1.34
release/1.1.35
release/1.1.36
release/1.1.37
release/1.1.38
release/1.1.4
release/1.1.5
release/1.1.6
release/1.1.7
release/1.1.8
release/1.2.0
release/1.2.1
release/1.2.10
release/1.2.11
release/1.2.12
release/1.2.13
release/1.2.14
release/1.2.15
release/1.2.16
release/1.2.17
release/1.2.18
release/1.2.19
release/1.2.2
release/1.2.20
release/1.2.21
release/1.2.22
release/1.2.23
release/1.2.24
release/1.2.25
release/1.2.26
release/1.2.27
release/1.2.28
release/1.2.29
release/1.2.3
release/1.2.30
release/1.2.4
release/1.2.5
release/1.2.6
release/1.2.7
release/1.2.8
release/1.2.9

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40080.json"