CVE-2026-76988

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Source
https://cve.org/CVERecord?id=CVE-2026-76988
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-76988.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-76988
Published
2026-08-20T12:45:10Z
Modified
2026-10-28T11:17:51Z
Severity
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
liftoff-sr CIPster ForwardOpen cipconnectionmanager.cc forward_open out-of-bounds
Details

A weakness has been identified in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. This affects the function CipConnMgrClass::forward_open of the file cipconnectionmanager.cc of the component ForwardOpen Handler. Executing a manipulation of the argument product_code_ can lead to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. This patch is called ea870a274bf68dfaa3f511f20e2fff6778fb7b74. A patch should be applied to remediate this issue.

Database specific 
{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-119",
        "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76988.json"
}
References

Affected packages

Git / github.com/liftoff-sr/cipster

Affected ranges

Type
GIT
Repo
https://github.com/liftoff-sr/cipster
Events
Introduced
1802525be27d33e19a9a83c163e331a1d13b1892
Fixed
ea870a274bf68dfaa3f511f20e2fff6778fb7b74
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "1802525be27d33e19a9a83c163e331a1d13b1892"
                },
                {
                    "last_affected": "1802525be27d33e19a9a83c163e331a1d13b1892"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "fixed": "ea870a274bf68dfaa3f511f20e2fff6778fb7b74"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

Other
1802525be27d33e19a9a83c163e331a1d13b1892

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-76988.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "317118525824239479843439156721345434406",
                "5947771797353580225947082425816866061",
                "34869190591962623052198316191772253074",
                "134182531192652113442209729681913913845",
                "145942442987223745391740319671481119510",
                "34137009867625094766200811980440423308",
                "278883698325633986791747503119893175673",
                "186067799397337010984750789778646330554",
                "145942442987223745391740319671481119510",
                "34137009867625094766200811980440423308",
                "278883698325633986791747503119893175673",
                "186067799397337010984750789778646330554",
                "145942442987223745391740319671481119510",
                "34137009867625094766200811980440423308",
                "14226332353814890143656494543060770040",
                "186067799397337010984750789778646330554",
                "145942442987223745391740319671481119510",
                "34137009867625094766200811980440423308",
                "14226332353814890143656494543060770040",
                "339601070172280817281607918866762211340",
                "172793876616810611520112871376744437263",
                "331910777065517119631950951488779754528",
                "312233868228718862938456091683203455916"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-76988-6860e419",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/liftoff-sr/cipster/commit/ea870a274bf68dfaa3f511f20e2fff6778fb7b74",
        "target": {
            "file": "source/src/cip/cipconnection.cc"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "68832434059507384231182615638476808905",
            "length": 4906
        },
        "id": "CVE-2026-76988-71cf3b0a",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/liftoff-sr/cipster/commit/ea870a274bf68dfaa3f511f20e2fff6778fb7b74",
        "target": {
            "file": "source/src/cip/cipconnection.cc",
            "function": "ConnectionData::ResolveInstances"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "42631904353126976067466341888923126179",
                "241623287754392103543099001608322075760",
                "98516676946224824576621657481105886506",
                "217631121059723015985643104542996604860"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-76988-861a1ee4",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/liftoff-sr/cipster/commit/ea870a274bf68dfaa3f511f20e2fff6778fb7b74",
        "target": {
            "file": "source/src/cip/ciperror.h"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "96650667142117954982594684534548856705",
            "length": 2831
        },
        "id": "CVE-2026-76988-9842b681",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/liftoff-sr/cipster/commit/ea870a274bf68dfaa3f511f20e2fff6778fb7b74",
        "target": {
            "file": "source/src/cip/ciperror.cc",
            "function": "ExtStatusStr"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "155077363812677113741820383654967612090",
                "50185675879518131086341223654914613331",
                "328598578562325572171980196071106983489",
                "68911361946598794682673427109199194335"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-76988-f71f31a5",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/liftoff-sr/cipster/commit/ea870a274bf68dfaa3f511f20e2fff6778fb7b74",
        "target": {
            "file": "source/src/cip/ciperror.cc"
        }
    }
]
vanir_signatures_modified 
"2026-10-28T11:17:51Z"