CVE-2026-48851_CVE-2026-48851

3.1 / 10

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Description

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session.

Basic Information

ID CVE-2026-48851

Source mitre

Published May 25, 2026 at 20:16

Affected Product

Vendor PuTTY

Product PuTTY

Version 0.77

Affected Versions PuTTY PuTTY 0.77

CWE Classification

CWE-451

References

{
    "lastseen": "",
    "description": "PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session.",
    "published": "2026-05-25T20:16:31.485Z",
    "modified": "2026-05-25T20:16:31.485Z",
    "type": "cve",
    "title": "CVE-2026-48851",
    "source": "mitre",
    "references": "https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html\nhttps://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/telnet-trust-sigil.html",
    "id": "CVE-2026-48851",
    "bulletinFamily": "",
    "cwe": [
        "CWE-451"
    ],
    "cvelist": null,
    "sourceData": "PuTTY PuTTY 0.77",
    "sourceHref": "",
    "cvss": {
        "score": 3.1,
        "severity": "LOW",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "PuTTY",
    "version": "0.77",
    "vendor": "PuTTY",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}