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241 vulnerabilities by Roundcube
CERTFR-2026-AVI-1122
Vulnerability from certfr_avis - Published: 2026-09-07 - Updated: 2026-09-07
De multiples vulnérabilités ont été découvertes dans Roundcube Webmail. Certaines d'entre elles permettent à un attaquant de provoquer une falsification de requêtes côté serveur (SSRF), une injection de code indirecte à distance (XSS) et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Roundcube | Roundcube Webmail | Roundcube Webmail versions 1.6.x antérieures à 1.6.19 | ||
| Roundcube | Roundcube Webmail | Roundcube Webmail versions 1.7.x antérieures à 1.7.4 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Roundcube Webmail versions 1.6.x ant\u00e9rieures \u00e0 1.6.19",
"product": {
"name": "Roundcube Webmail",
"vendor": {
"name": "Roundcube",
"scada": false
}
}
},
{
"description": "Roundcube Webmail versions 1.7.x ant\u00e9rieures \u00e0 1.7.4",
"product": {
"name": "Roundcube Webmail",
"vendor": {
"name": "Roundcube",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [],
"initial_release_date": "2026-09-07T00:00:00",
"last_revision_date": "2026-09-07T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1122",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-09-07T00:00:00.000000"
}
],
"risks": [
{
"description": "Injection de code indirecte \u00e0 distance (XSS)"
},
{
"description": "Falsification de requ\u00eates c\u00f4t\u00e9 serveur (SSRF)"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Roundcube Webmail. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une falsification de requ\u00eates c\u00f4t\u00e9 serveur (SSRF), une injection de code indirecte \u00e0 distance (XSS) et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Roundcube Webmail",
"vendor_advisories": [
{
"published_at": "2026-09-06",
"title": "Bulletin de s\u00e9curit\u00e9 Roundcube security-updates-1.6.19-and-1.7.4",
"url": "https://roundcube.net/news/2026/09/06/security-updates-1.6.19-and-1.7.4"
}
]
}
CERTFR-2026-AVI-0987
Vulnerability from certfr_avis - Published: 2026-08-10 - Updated: 2026-09-14
De multiples vulnérabilités ont été découvertes dans Roundcube. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une atteinte à la confidentialité des données et une falsification de requêtes côté serveur (SSRF).
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Roundcube | Roundcube Webmail | Roundcube Webmail versions 1.7.x antérieures à 1.7.3 | ||
| Roundcube | Roundcube Webmail | Roundcube Webmail versions 1.6.x antérieures à 1.6.18 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Roundcube Webmail versions 1.7.x ant\u00e9rieures \u00e0 1.7.3",
"product": {
"name": "Roundcube Webmail",
"vendor": {
"name": "Roundcube",
"scada": false
}
}
},
{
"description": "Roundcube Webmail versions 1.6.x ant\u00e9rieures \u00e0 1.6.18",
"product": {
"name": "Roundcube Webmail",
"vendor": {
"name": "Roundcube",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-75002",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75002"
},
{
"name": "CVE-2026-75000",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75000"
},
{
"name": "CVE-2026-75004",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75004"
},
{
"name": "CVE-2026-75007",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75007"
},
{
"name": "CVE-2026-74997",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-74997"
},
{
"name": "CVE-2026-75006",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75006"
},
{
"name": "CVE-2026-75010",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75010"
},
{
"name": "CVE-2026-74998",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-74998"
},
{
"name": "CVE-2026-74999",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-74999"
},
{
"name": "CVE-2026-75003",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75003"
}
],
"initial_release_date": "2026-08-10T00:00:00",
"last_revision_date": "2026-09-14T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0987",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-08-10T00:00:00.000000"
},
{
"description": "Ajout des identifiants CVE, modification des risques en cons\u00e9quence.",
"revision_date": "2026-09-09T00:00:00.000000"
},
{
"description": "Ajout de l\u0027identifiant CVE-2026-75003.",
"revision_date": "2026-09-14T00:00:00.000000"
}
],
"risks": [
{
"description": "Injection de code indirecte \u00e0 distance (XSS)"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Falsification de requ\u00eates c\u00f4t\u00e9 serveur (SSRF)"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Roundcube. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une falsification de requ\u00eates c\u00f4t\u00e9 serveur (SSRF).",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Roundcube",
"vendor_advisories": [
{
"published_at": "2026-08-09",
"title": "Bulletin de s\u00e9curit\u00e9 Roundcube security-updates-1.6.18-and-1.7.3",
"url": "https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3"
}
]
}
CVE-2026-75010 (GCVE-0-2026-75010)
Vulnerability from nvd – Published: 2026-08-17 13:01 – Updated: 2026-08-17 14:11
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the modoboa driver of the password plugin could leak a Modoboa API authentication token to a user-controlled host via crafted session data. This issue only affects Roundcube instances using the password plugin with its modoboa driver.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:10 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
Impacted products
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CVE-2026-75007 (GCVE-0-2026-75007)
Vulnerability from nvd – Published: 2026-08-17 12:58 – Updated: 2026-08-18 03:55
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the LDAP search filter was subject to injection via unescaped %u/%fu/%d substitution, which may lead to information disclosure or privilege escalation.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 00:00 UTC
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
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CVE-2026-75006 (GCVE-0-2026-75006)
Vulnerability from nvd – Published: 2026-08-17 12:56 – Updated: 2026-08-17 14:06
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. This issue exists because of insufficient fixes for CVE-2026-35540, CVE-2026-48843 and CVE-2026-62643.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:06 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
7 references
Impacted products
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CVE-2026-75004 (GCVE-0-2026-75004)
Vulnerability from nvd – Published: 2026-08-17 12:53 – Updated: 2026-08-17 14:37
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper rule name quoting could lead to managesieve_disabled_actions setting bypass via a crafted rule name in a Sieve script. This issue only affects Roundcube instances using the managesieve plugin.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:36 UTC
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
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CVE-2026-75003 (GCVE-0-2026-75003)
Vulnerability from nvd – Published: 2026-08-17 12:50 – Updated: 2026-08-18 03:55
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 00:00 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
Impacted products
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CVE-2026-75002 (GCVE-0-2026-75002)
Vulnerability from nvd – Published: 2026-08-17 12:48 – Updated: 2026-08-18 03:55
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 00:00 UTC
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
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CVE-2026-75000 (GCVE-0-2026-75000)
Vulnerability from nvd – Published: 2026-08-17 12:45 – Updated: 2026-08-18 03:55
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 00:00 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
Impacted products
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CVE-2026-74999 (GCVE-0-2026-74999)
Vulnerability from nvd – Published: 2026-08-17 12:42 – Updated: 2026-08-17 14:33
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the "Add to address book" action was subject to stored XSS.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:32 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
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CVE-2026-74998 (GCVE-0-2026-74998)
Vulnerability from nvd – Published: 2026-08-17 12:40 – Updated: 2026-08-17 16:01
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS (Cascading Style Sheets) proxy were not validated, which may result in information disclosure or XSS (cross-site scripting) via MIME sniffing.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 16:01 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
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CVE-2026-74997 (GCVE-0-2026-74997)
Vulnerability from nvd – Published: 2026-08-17 12:37 – Updated: 2026-08-17 14:34
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the cmd_learn driver of the markasjunk plugin is subject to remote code execution via crafted placeholder replacement values. This issue only affects Roundcube instances using the markasjunk plugin with its cmd_learn driver.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:34 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
6 references
Impacted products
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CVE-2026-54433 (GCVE-0-2026-54433)
Vulnerability from nvd – Published: 2026-07-14 16:18 – Updated: 2026-07-15 14:10
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting (XSS) via a crafted plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message (zero-click).
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 14:10 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
Impacted products
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CVE-2026-54432 (GCVE-0-2026-54432)
Vulnerability from nvd – Published: 2026-07-14 16:21 – Updated: 2026-07-15 15:13
VLAI
EPSS
VEX
Summary
Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 15:11 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
Impacted products
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CVE-2026-62644 (GCVE-0-2026-62644)
Vulnerability from nvd – Published: 2026-07-14 15:55 – Updated: 2026-07-14 17:15
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 17:13 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
7 references
Impacted products
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CVE-2026-62643 (GCVE-0-2026-62643)
Vulnerability from nvd – Published: 2026-07-14 15:51 – Updated: 2026-07-14 17:17
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. NOTE: this issue exists because of insufficient fixes for CVE-2026-35540 and CVE-2026-48843.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 17:16 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
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CVE-2026-62642 (GCVE-0-2026-62642)
Vulnerability from nvd – Published: 2026-07-14 15:49 – Updated: 2026-07-14 17:18
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which may lead to denial of service upon opening an email with a TNEF attachment.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 17:17 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
7 references
Impacted products
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CVE-2026-62641 (GCVE-0-2026-62641)
Vulnerability from nvd – Published: 2026-07-14 15:46 – Updated: 2026-07-14 17:27
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 17:23 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
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CVE-2026-75010 (GCVE-0-2026-75010)
Vulnerability from cvelistv5 – Published: 2026-08-17 13:01 – Updated: 2026-08-17 14:11
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the modoboa driver of the password plugin could leak a Modoboa API authentication token to a user-controlled host via crafted session data. This issue only affects Roundcube instances using the password plugin with its modoboa driver.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:10 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
Impacted products
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CVE-2026-75007 (GCVE-0-2026-75007)
Vulnerability from cvelistv5 – Published: 2026-08-17 12:58 – Updated: 2026-08-18 03:55
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the LDAP search filter was subject to injection via unescaped %u/%fu/%d substitution, which may lead to information disclosure or privilege escalation.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 00:00 UTC
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
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CVE-2026-75006 (GCVE-0-2026-75006)
Vulnerability from cvelistv5 – Published: 2026-08-17 12:56 – Updated: 2026-08-17 14:06
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. This issue exists because of insufficient fixes for CVE-2026-35540, CVE-2026-48843 and CVE-2026-62643.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:06 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
7 references
Impacted products
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CVE-2026-75004 (GCVE-0-2026-75004)
Vulnerability from cvelistv5 – Published: 2026-08-17 12:53 – Updated: 2026-08-17 14:37
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper rule name quoting could lead to managesieve_disabled_actions setting bypass via a crafted rule name in a Sieve script. This issue only affects Roundcube instances using the managesieve plugin.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:36 UTC
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
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CVE-2026-75003 (GCVE-0-2026-75003)
Vulnerability from cvelistv5 – Published: 2026-08-17 12:50 – Updated: 2026-08-18 03:55
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 00:00 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
Impacted products
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CVE-2026-75002 (GCVE-0-2026-75002)
Vulnerability from cvelistv5 – Published: 2026-08-17 12:48 – Updated: 2026-08-18 03:55
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 00:00 UTC
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
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CVE-2026-75000 (GCVE-0-2026-75000)
Vulnerability from cvelistv5 – Published: 2026-08-17 12:45 – Updated: 2026-08-18 03:55
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 00:00 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
Impacted products
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CVE-2026-74999 (GCVE-0-2026-74999)
Vulnerability from cvelistv5 – Published: 2026-08-17 12:42 – Updated: 2026-08-17 14:33
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the "Add to address book" action was subject to stored XSS.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:32 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
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CVE-2026-74998 (GCVE-0-2026-74998)
Vulnerability from cvelistv5 – Published: 2026-08-17 12:40 – Updated: 2026-08-17 16:01
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS (Cascading Style Sheets) proxy were not validated, which may result in information disclosure or XSS (cross-site scripting) via MIME sniffing.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 16:01 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
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CVE-2026-74997 (GCVE-0-2026-74997)
Vulnerability from cvelistv5 – Published: 2026-08-17 12:37 – Updated: 2026-08-17 14:34
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the cmd_learn driver of the markasjunk plugin is subject to remote code execution via crafted placeholder replacement values. This issue only affects Roundcube instances using the markasjunk plugin with its cmd_learn driver.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:34 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
6 references
Impacted products
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CVE-2026-54432 (GCVE-0-2026-54432)
Vulnerability from cvelistv5 – Published: 2026-07-14 16:21 – Updated: 2026-07-15 15:13
VLAI
EPSS
VEX
Summary
Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 15:11 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
Impacted products
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CVE-2026-54433 (GCVE-0-2026-54433)
Vulnerability from cvelistv5 – Published: 2026-07-14 16:18 – Updated: 2026-07-15 14:10
VLAI
EPSS
VEX
Summary
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting (XSS) via a crafted plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message (zero-click).
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 14:10 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
Impacted products
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