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(CVE-2024-55549)
Vulnerability from cleanstart – Published: 2026-09-10 01:40 – Updated: 2026-09-18 11:59 – Source website
Withdrawn 2026-09-18
VLAI
Summary
Previously, resolving relative paths containing parent directory ('
Details
Multiple security vulnerabilities affect the ingress-nginx-controller package. Previously, resolving relative paths containing parent directory ('. See references for individual vulnerability details.
Severity
9.8 (Critical)
References
{
"affected": [
{
"package": {
"ecosystem": "CleanStart",
"name": "ingress-nginx-controller"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.14.5-r2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [],
"database_specific": {},
"details": "Multiple security vulnerabilities affect the ingress-nginx-controller package. Previously, resolving relative paths containing parent directory (\u0027. See references for individual vulnerability details.",
"id": "CLEANSTART-2026-WZ31386",
"modified": "2026-09-18T11:59:01.768079Z",
"published": "2026-09-10T01:40:40.475722Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-WZ31386.json"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2024-55549"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-24855"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-25680"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-25681"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-27136"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-27145"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-33818"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39821"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39824"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-41080"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42502"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42504"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42506"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42507"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-45186"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-46600"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56852"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56853"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56858"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56859"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56860"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-56862"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-55549"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-24855"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25680"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25681"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27136"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27145"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33818"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39821"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39824"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41080"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42502"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42504"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42506"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42507"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45186"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46600"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56852"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56853"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56858"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56859"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56860"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56862"
}
],
"related": [],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Previously, resolving relative paths containing parent directory (\u0027",
"upstream": [
"CVE-2024-55549",
"CVE-2025-24855",
"CVE-2026-25680",
"CVE-2026-25681",
"CVE-2026-27136",
"CVE-2026-27145",
"CVE-2026-33818",
"CVE-2026-39821",
"CVE-2026-39824",
"CVE-2026-41080",
"CVE-2026-42502",
"CVE-2026-42504",
"CVE-2026-42506",
"CVE-2026-42507",
"CVE-2026-45186",
"CVE-2026-46600",
"CVE-2026-56852",
"CVE-2026-56853",
"CVE-2026-56858",
"CVE-2026-56859",
"CVE-2026-56860",
"CVE-2026-56862"
],
"withdrawn": "2026-09-18T11:59:01.768079Z"
}
CVE-2026-42502 (GCVE-0-2026-42502)
Vulnerability from cvelistv5 – Published: 2026-05-22 15:01 – Updated: 2026-05-22 17:17
VLAI
EPSS
VEX
Title
Invoking incorrect handling of HTML elements in foreign content in golang.org/x/net/html
Summary
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-22 17:16 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| golang.org/x/net | golang.org/x/net/html |
Affected:
0 , < 0.55.0
(semver)
|
Credits
{
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"programRoutines": [
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{
"name": "Parse"
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{
"name": "ParseFragment"
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"value": "Tristan Madani"
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},
{
"url": "https://go.dev/cl/781701"
},
{
"url": "https://pkg.go.dev/vuln/GO-2026-5027"
}
],
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}
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CVE-2026-42504 (GCVE-0-2026-42504)
Vulnerability from cvelistv5 – Published: 2026-06-02 22:01 – Updated: 2026-09-17 17:35
VLAI
EPSS
VEX
Title
Quadratic complexity in WordDecoder.DecodeHeader in mime
Summary
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-03 14:05 UTC
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | mime |
Affected:
0 , < 1.25.11
(semver)
Affected: 1.26.0-0 , < 1.26.4 (semver) |
{
"containers": {
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"attackVector": "NETWORK",
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"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
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}
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"role": "CISA Coordinator",
"timestamp": "2026-06-03T14:05:39.682615Z",
"version": "2.0.3"
},
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"description": "CWE-407 Inefficient Algorithmic Complexity",
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"type": "CWE"
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],
"cna": {
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{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "mime",
"product": "mime",
"programRoutines": [
{
"name": "WordDecoder.DecodeHeader"
}
],
"vendor": "Go standard library",
"versions": [
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"lessThan": "1.25.11",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "1.26.4",
"status": "affected",
"version": "1.26.0-0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "p4p3r (https://hackerone.com/p4p3r_hak)"
}
],
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"value": "Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU."
}
],
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{
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"url": "https://go.dev/issue/79217"
},
{
"url": "https://go.dev/cl/774481"
},
{
"url": "https://groups.google.com/g/golang-announce/c/tKs3rmcBcKw"
},
{
"url": "https://pkg.go.dev/vuln/GO-2026-5038"
}
],
"title": "Quadratic complexity in WordDecoder.DecodeHeader in mime"
}
},
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"datePublished": "2026-06-02T22:01:37.219Z",
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CVE-2026-42506 (GCVE-0-2026-42506)
Vulnerability from cvelistv5 – Published: 2026-05-22 15:01 – Updated: 2026-05-22 17:45
VLAI
EPSS
VEX
Title
Invoking incorrect handling of namespaced elements in foreign content in golang.org/x/net/html
Summary
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-22 17:45 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| golang.org/x/net | golang.org/x/net/html |
Affected:
0 , < 0.55.0
(semver)
|
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
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"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
},
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"other": {
"content": {
"id": "CVE-2026-42506",
"options": [
{
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"Automatable": "no"
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{
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}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-22T17:45:29.886387Z",
"version": "2.0.3"
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"type": "ssvc"
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"title": "CISA ADP Vulnrichment"
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"cna": {
"affected": [
{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "golang.org/x/net/html",
"product": "golang.org/x/net/html",
"programRoutines": [
{
"name": "parser.parse"
},
{
"name": "Parse"
},
{
"name": "ParseFragment"
},
{
"name": "ParseFragmentWithOptions"
},
{
"name": "ParseWithOptions"
}
],
"vendor": "golang.org/x/net",
"versions": [
{
"lessThan": "0.55.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "ensy"
}
],
"descriptions": [
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"lang": "en",
"value": "Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering."
}
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{
"descriptions": [
{
"description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en"
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},
{
"url": "https://go.dev/cl/781700"
},
{
"url": "https://pkg.go.dev/vuln/GO-2026-5025"
}
],
"title": "Invoking incorrect handling of namespaced elements in foreign content in golang.org/x/net/html"
}
},
"cveMetadata": {
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"datePublished": "2026-05-22T15:01:21.056Z",
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CVE-2026-42507 (GCVE-0-2026-42507)
Vulnerability from cvelistv5 – Published: 2026-06-02 22:01 – Updated: 2026-06-03 19:04
VLAI
EPSS
VEX
Title
Arbitrary inputs are included in errors without any escaping in net/textproto
Summary
When returning errors, functions in the net/textproto package would include its input as part of the error. This might allow an attacker to inject misleading content to errors that are printed or logged.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-03 19:04 UTC
CWE
- CWE-532 - Insertion of Sensitive Information into Log File
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/textproto |
Affected:
0 , < 1.25.11
(semver)
Affected: 1.26.0-0 , < 1.26.4 (semver) |
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
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CVE-2026-45186 (GCVE-0-2026-45186)
Vulnerability from cvelistv5 – Published: 2026-05-10 06:36 – Updated: 2026-09-16 12:04
VLAI
EPSS
VEX
Summary
In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-11 15:01 UTC
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://github.com/libexpat/libexpat/pull/1216 | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| https://access.redhat.com/security/cve/CVE-2026-45186 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2468575 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:22715 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:23230 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:22721 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:29197 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27201 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:58981 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26319 | vendor-advisoryx_refsource_REDHAT |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
22 products
| Vendor | Product | Version | |
|---|---|---|---|
| libexpat project | libexpat |
Affected:
0 , < 2.8.1
(semver)
cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:2.7.3-1.el10_2.1 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:2.5.0-2.el8_10 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.5.0-6.el9_8.1 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat JBoss Core Services 2.4.62.SP4 |
cpe:/a:redhat:jboss_core_services:1
|
|
| Red Hat | Red Hat Discovery 2 |
Unaffected:
1782159791 , < *
(rpm)
cpe:/a:redhat:discovery:2::el9 |
|
| Red Hat | Red Hat Discovery 2 |
Unaffected:
1782166952 , < *
(rpm)
cpe:/a:redhat:discovery:2::el9 |
|
| Red Hat | Red Hat Update Infrastructure 5 |
Unaffected:
1781525684 , < *
(rpm)
cpe:/a:redhat:rhui:5::el9 |
|
| Red Hat | Red Hat Update Infrastructure 5 |
Unaffected:
1781525671 , < *
(rpm)
cpe:/a:redhat:rhui:5::el9 |
|
| Red Hat | Red Hat Update Infrastructure 5 |
Unaffected:
1781525693 , < *
(rpm)
cpe:/a:redhat:rhui:5::el9 |
|
| Red Hat | Red Hat Update Infrastructure 5 |
Unaffected:
1781525739 , < *
(rpm)
cpe:/a:redhat:rhui:5::el9 |
|
| Red Hat | Red Hat Update Infrastructure 5 |
Unaffected:
1787241211 , < *
(rpm)
cpe:/a:redhat:rhui:5::el9 |
|
| Red Hat | Red Hat Update Infrastructure 5 |
Unaffected:
1787135742 , < *
(rpm)
cpe:/a:redhat:rhui:5::el9 |
|
| Red Hat | Red Hat Update Infrastructure 5 |
Unaffected:
1787241260 , < *
(rpm)
cpe:/a:redhat:rhui:5::el9 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < V3.1.6
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < V3.1.6
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < V3.1.6
(custom)
|
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CVE-2026-46600 (GCVE-0-2026-46600)
Vulnerability from cvelistv5 – Published: 2026-07-21 19:18 – Updated: 2026-08-14 15:46
VLAI
EPSS
VEX
Title
Parsing an invalid SVCB or HTTPS RR can panic in golang.org/x/net/dns/dnsmessage
Summary
Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 15:00 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net |
Affected:
1.26.0-0 , < 1.26.6
(semver)
Affected: 1.27.0-0 , < 1.27.0-rc.3 (semver) |
|
| golang.org/x/net | golang.org/x/net/dns/dnsmessage |
Affected:
0 , < 0.56.0
(semver)
|
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CVE-2026-56852 (GCVE-0-2026-56852)
Vulnerability from cvelistv5 – Published: 2026-07-21 19:18 – Updated: 2026-08-10 22:57
VLAI
EPSS
VEX
Title
Infinite loop on invalid input in golang.org/x/text
Summary
A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 13:26 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| golang.org/x/text | golang.org/x/text/unicode/norm |
Affected:
0 , < 0.39.0
(semver)
|
Credits
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CVE-2026-56853 (GCVE-0-2026-56853)
Vulnerability from cvelistv5 – Published: 2026-08-13 21:58 – Updated: 2026-08-14 15:23
VLAI
EPSS
VEX
Title
Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http
Summary
When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 15:22 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.25.13
(semver)
Affected: 1.26.0-0 , < 1.26.6 (semver) Affected: 1.27.0-0 , < 1.27.0-rc.3 (semver) |
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CVE-2026-56858 (GCVE-0-2026-56858)
Vulnerability from cvelistv5 – Published: 2026-08-13 21:58 – Updated: 2026-08-14 15:32
VLAI
EPSS
VEX
Title
Fix Javascript regexp context tracking in html/template
Summary
Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 15:31 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | html/template |
Affected:
0 , < 1.25.13
(semver)
Affected: 1.26.0-0 , < 1.26.6 (semver) Affected: 1.27.0-0 , < 1.27.0-rc.3 (semver) |
Credits
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"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
},
{
"other": {
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"id": "CVE-2026-56858",
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],
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"timestamp": "2026-08-14T15:31:30.140536Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T15:32:29.852Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "html/template",
"product": "html/template",
"programRoutines": [
{
"name": "tJS"
},
{
"name": "Template.Execute"
},
{
"name": "Template.ExecuteTemplate"
}
],
"vendor": "Go standard library",
"versions": [
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"status": "affected",
"version": "0",
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},
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"status": "affected",
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],
"credits": [
{
"lang": "en",
"value": "Ali Sherif"
}
],
"descriptions": [
{
"lang": "en",
"value": "Previously, pathological inputs could close an unescaped \u0027/\u0027 early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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],
"providerMetadata": {
"dateUpdated": "2026-08-13T21:58:53.354Z",
"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
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"url": "https://go.dev/cl/807100"
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{
"url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
},
{
"url": "https://pkg.go.dev/vuln/GO-2026-6091"
}
],
"title": "Fix Javascript regexp context tracking in html/template"
}
},
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CVE-2026-56859 (GCVE-0-2026-56859)
Vulnerability from cvelistv5 – Published: 2026-08-13 21:58 – Updated: 2026-08-14 15:21
VLAI
EPSS
VEX
Title
Add recursion depth guard during decode in encoding/xml
Summary
Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 15:21 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | encoding/xml |
Affected:
0 , < 1.25.13
(semver)
Affected: 1.26.0-0 , < 1.26.6 (semver) Affected: 1.27.0-0 , < 1.27.0-rc.3 (semver) |
{
"containers": {
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"metrics": [
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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}
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"timestamp": "2026-08-14T15:21:09.615961Z",
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"providerMetadata": {
"dateUpdated": "2026-08-14T15:21:46.218Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "encoding/xml",
"product": "encoding/xml",
"programRoutines": [
{
"name": "Decoder.push"
},
{
"name": "Decoder.pop"
},
{
"name": "Decoder.RawToken"
},
{
"name": "Decoder.unmarshalPath"
},
{
"name": "Decoder.unmarshal"
},
{
"name": "Decoder.Decode"
},
{
"name": "Decoder.DecodeElement"
},
{
"name": "Decoder.Skip"
},
{
"name": "Decoder.Token"
},
{
"name": "Unmarshal"
}
],
"vendor": "Go standard library",
"versions": [
{
"lessThan": "1.25.13",
"status": "affected",
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{
"lessThan": "1.26.6",
"status": "affected",
"version": "1.26.0-0",
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{
"lessThan": "1.27.0-rc.3",
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],
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"lang": "en",
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}
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"descriptions": [
{
"description": "CWE-770: Allocation of Resources Without Limits or Throttling",
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}
]
}
],
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"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
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"url": "https://go.dev/issue/80481"
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"url": "https://go.dev/cl/803320"
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{
"url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
},
{
"url": "https://pkg.go.dev/vuln/GO-2026-6088"
}
],
"title": "Add recursion depth guard during decode in encoding/xml"
}
},
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"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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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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