CVE-2026-82077 (GCVE-0-2026-82077)
Vulnerability from cvelistv5 – Published: 2026-09-24 06:43 – Updated: 2026-09-24 06:43
VLAI
EPSS
VEX
Title
PaperCut NG/MF: Remote Code Execution via Scan2Fax
Summary
An improper limitation of a pathname to a restricted directory (path traversal) vulnerability in the Scan-to-Fax component of PaperCut NG and PaperCut MF allows an authenticated administrator to execute arbitrary commands on the underlying host via crafted fax provider settings.
Severity
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| PaperCut | PaperCut NG/MF |
Affected:
0 , < 25.0.13
(semver)
Affected: 26.0.0 , < 26.0.5 (semver) |
guessed |
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"metrics": [
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},
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"descriptions": [
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"description": "CWE-78 Improper neutralization of special elements used in an OS command (\u0027OS command injection\u0027)",
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"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-24T06:43:35.197Z",
"orgId": "eb41dac7-0af8-4f84-9f6d-0272772514f4",
"shortName": "PaperCut"
},
"references": [
{
"url": "https://www.papercut.com/kb/Main/security-bulletin-sep-2026/"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "PaperCut NG/MF: Remote Code Execution via Scan2Fax",
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"datePublished": "2026-09-24T06:43:35.197Z",
"dateReserved": "2026-08-28T00:13:21.684Z",
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"state": "PUBLISHED"
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],
"id": "CVE-2026-82077",
"lastModified": "2026-09-24T07:16:33.457",
"metrics": {
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"Recovery": "NOT_DEFINED",
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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