CVE-2026-77153 (GCVE-0-2026-77153)

Vulnerability from cvelistv5 – Published: 2026-11-08 18:38 – Updated: 2026-11-08 18:38
VLAI
Title
IBM i is Affected By Missing Authorization Vulnerability in Host-Based Printer Subsystem []
Summary
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote unauthenticated attacker to obtain sensitive information from the Host-Based Printer Subsystem due to no authorization check. A bad actor could use this vulnerability to print files they should not be able to access.
Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
CWE
Assigner
ibm CNA under the mitre root
CNA scorecard B 88/100 over 1630 records in the last 180 days details
References
URL Tags
https://www.ibm.com/support/pages/node/7294253 vendor-advisorypatch
Impacted products
Vendor Product Version CPE status
IBM i Affected: 7.6
Affected: 7.5
Affected: 7.4
Affected: 7.3
    cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*
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            "cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*"
          ],
          "product": "i",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "7.6"
            },
            {
              "status": "affected",
              "version": "7.5"
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            {
              "status": "affected",
              "version": "7.4"
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              "value": "\u003cp\u003eIBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote unauthenticated attacker to obtain sensitive information from the Host-Based Printer Subsystem due to no authorization check. A bad actor could use this vulnerability to print files they should not be able to access.\u003c/p\u003e"
            }
          ],
          "value": "IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote unauthenticated attacker to obtain sensitive information from the Host-Based Printer Subsystem due to no authorization check. A bad actor could use this vulnerability to print files they should not be able to access."
        }
      ],
      "metrics": [
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
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            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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      "providerMetadata": {
        "dateUpdated": "2026-11-08T18:38:57.177Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
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              "type": "text/html",
              "value": "\u003cp\u003eWhen using Access Client Solutions (ACS) to create Telnet printer sessions, version 1.1.9.15 or later must be installed for interoperability after applying the Host-Based Printer Subsystem PTFs.\u00a0 Failure to update to a compatible ACS application version will result in being unable to connect via telnet for printing. The current version of the ACS application can be viewed by clicking the \u0027About\u0027 link under the \u0027Help\u0027 tab in ACS.\u003c/p\u003e\u003cp\u003eView each PTF\u0027s cover letter for the additional actions required prior to installation.\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ccolgroup\u003e\u003ccol/\u003e\u003ccol/\u003e\u003ccol/\u003e\u003c/colgroup\u003e\u003cthead\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eIBM i Release\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003e5770-SS1\u00a0\u003cbr/\u003ePTF Number(s)\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003ePTF Download Link(s)\u003c/strong\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e7.6\u003c/td\u003e\u003ctd\u003eSJ11502\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11502\" rel=\"nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11502\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.5\u003c/td\u003e\u003ctd\u003eSJ11523\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11523\" rel=\"nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11523\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.4\u003c/td\u003e\u003ctd\u003eSJ11524\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11524\" rel=\"nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11524\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.3\u003c/td\u003e\u003ctd\u003eSJ11522\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11522\" rel=\"nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11522\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003eIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.\u003c/p\u003e"
            }
          ],
          "value": "When using Access Client Solutions (ACS) to create Telnet printer sessions, version 1.1.9.15 or later must be installed for interoperability after applying the Host-Based Printer Subsystem PTFs.\u00a0 Failure to update to a compatible ACS application version will result in being unable to connect via telnet for printing. The current version of the ACS application can be viewed by clicking the \u0027About\u0027 link under the \u0027Help\u0027 tab in ACS.\n\n\n\nView each PTF\u0027s cover letter for the additional actions required prior to installation.\n\nIBM i Release5770-SS1\u00a0\nPTF Number(s)PTF Download Link(s)7.6SJ11502 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11502 7.5SJ11523 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11523 7.4SJ11524 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11524 7.3SJ11522 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11522 \n\n\n\nIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products."
        }
      ],
      "title": "IBM i is Affected By Missing Authorization Vulnerability in Host-Based Printer Subsystem []"
    }
  },
  "cveMetadata": {
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    "assignerShortName": "ibm",
    "cveId": "CVE-2026-77153",
    "datePublished": "2026-11-08T18:38:57.177Z",
    "dateReserved": "2026-08-20T14:17:43.049Z",
    "dateUpdated": "2026-11-08T18:38:57.177Z",
    "state": "PUBLISHED"
  },
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                  "cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*",
                  "cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*",
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        ],
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        "lastModified": "2026-11-08T19:17:40.410",
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}



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