CVE-2026-17206 (GCVE-0-2026-17206)
Vulnerability from cvelistv5 – Published: 2026-08-13 18:55 – Updated: 2026-08-14 12:39
VLAI
EPSS
VEX
Title
IBM i is Affected By Multiple Vulnerabilities in Host Servers
Summary
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to a buffer overflow.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 03:56 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7283578 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | i |
Affected:
7.6
Affected: 7.5 Affected: 7.4 Affected: 7.3 cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:* cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:* cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:* cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:* cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:* |
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\"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*\", \"cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*\", \"cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*\", \"cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*\", \"cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*\", \"cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*\", \"cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*\", \"cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:*\"], \"vendor\": \"IBM\", \"product\": \"i\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.6\"}, {\"status\": \"affected\", \"version\": \"7.5\"}, {\"status\": \"affected\", \"version\": \"7.4\"}, {\"status\": \"affected\", \"version\": \"7.3\"}]}], \"solutions\": [{\"lang\": \"en\", \"value\": \"IBM strongly recommends addressing the vulnerability now.\\n\\n\\n\\nHost Servers\\n\\nIBM i Release5770-SS1\\nPTF Number(s)PTF Download Link(s)7.6SJ11101\\nSJ11097 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11101 \\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11097 7.5SJ11102\\nSJ11098\\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11102 \\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11098 7.4SJ11103\\nSJ11099\\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11103 \\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11099 7.3SJ11104\\nSJ11100\\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11100 \\n\\n\\n\\n\\n\\n\\n\\nDebug Server\\n\\nIBM i Release5770-SS1\\nPTF Number(s)PTF Download Link(s)7.6SJ10899 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10899 \\n\\n\\n\\n\\n\\n\\n\\nTelnet\\n\\nIBM i Release5770-SS1\\nPTF Number(s)PTF Download Link(s)7.6SJ11022 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11022 \\n\\n\\n\\n\\n\\n\\n\\nDRDA/DDM\\n\\nIBM i Release5770-SS1\\nPTF Number(s)PTF Download Link(s)7.6SJ10848 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10848 \\n\\n\\n\\n\\n\\n\\n\\nIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003e\u003cstrong\u003eIBM strongly recommends addressing the vulnerability now.\u003c/strong\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eHost Servers\u003c/strong\u003e\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\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\u003eSJ11101\u003cbr/\u003eSJ11097\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11101\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11101\u003c/a\u003e\u003cbr/\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11097\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11097\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.5\u003c/td\u003e\u003ctd\u003eSJ11102\u003cbr/\u003eSJ11098\u003cbr/\u003e\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11102\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11102\u003c/a\u003e\u003cbr/\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11098\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11098\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.4\u003c/td\u003e\u003ctd\u003eSJ11103\u003cbr/\u003eSJ11099\u003cbr/\u003e\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11103\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11103\u003c/a\u003e\u003cbr/\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11099\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11099\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.3\u003c/td\u003e\u003ctd\u003eSJ11104\u003cbr/\u003eSJ11100\u003cbr/\u003e\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11104\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11104\\u00a0\u003c/a\u003e\u003cbr/\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11100\\\" rel=\\\"nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11100\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eDebug Server\u003c/strong\u003e\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\u003e\u003cstrong\u003e5770-SS1\u003c/strong\u003e\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\u003eSJ10899\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10899\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ10899\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eTelnet\u003c/strong\u003e\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\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\u003eSJ11022\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11022\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11022\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eDRDA/DDM\u003c/strong\u003e\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\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\u003eSJ10848\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10848\\\" rel=\\\"nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ10848\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.\u003c/p\u003e\", \"base64\": false}]}], \"references\": [{\"url\": \"https://www.ibm.com/support/pages/node/7283578\", \"tags\": [\"vendor-advisory\", \"patch\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to a buffer overflow.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eIBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to a buffer overflow.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"9a959283-ebb5-44b6-b705-dcc2bbced522\", \"shortName\": \"ibm\", \"dateUpdated\": \"2026-08-13T18:55:41.032Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-17206\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-14T12:39:50.571Z\", \"dateReserved\": \"2026-07-24T19:28:05.244Z\", \"assignerOrgId\": \"9a959283-ebb5-44b6-b705-dcc2bbced522\", \"datePublished\": \"2026-08-13T18:55:41.032Z\", \"assignerShortName\": \"ibm\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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.
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.
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