CVE catalog

CVE-2026-35538

An issue was discovered in Roundcube Webmail before…

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsanitized IMAP SEARCH command arguments could lead to IMAP injection or CSRF bypass during mail search.

Severity: Medium · CVSS 4.6CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Published: Mar 18, 2026, 11:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.41% · Oct 27, 2026

Projects and upstream resources

[roundcube][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / release	Package	Version	Status	Source
Debiantrixie-security	roundcube	`1.6.20+dfsg-0+deb13u1`	Fixed	[CVE-2026-35538]
Debiantrixie	roundcube	`1.6.15+dfsg-0+deb13u1`	FixedDistribution-reported fixed boundary	[CVE-2026-35538]
Debiantrixie	roundcube	`1.6.18+dfsg-0+deb13u1`	Fixed	[CVE-2026-35538]
Debiansid	roundcube	`1.6.14+dfsg-1`	FixedDistribution-reported fixed boundary	[CVE-2026-35538]
Debiansid	roundcube	`1.6.20+dfsg-1`	Fixed	[CVE-2026-35538]
Debianforky	roundcube	`1.6.14+dfsg-1`	FixedDistribution-reported fixed boundary	[CVE-2026-35538]
Debianforky	roundcube	`1.6.20+dfsg-1`	Fixed	[CVE-2026-35538]
Debianbookworm-security	roundcube	`1.6.5+dfsg-1+deb12u12`	Fixed	[CVE-2026-35538]
Debianbookworm	roundcube	`1.6.5+dfsg-1+deb12u8`	FixedDistribution-reported fixed boundary	[CVE-2026-35538]
Debianbookworm	roundcube	`1.6.5+dfsg-1+deb12u9`	Fixed	[CVE-2026-35538]

Showing 10 fix observations. All 12 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
UnknownRelease not reported	webmail	`1.5.14`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	webmail	`1.6.14`	UnknownSource applicability is not established	Provider not reported
Debianbookworm	roundcube	`1.6.5+dfsg-1+deb12u8`	FixedDistribution-reported fixed boundary	[CVE-2026-35538]
Debianbookworm	roundcube	`1.6.5+dfsg-1+deb12u9`	Fixed	[CVE-2026-35538]
Debianbookworm-security	roundcube	`1.6.5+dfsg-1+deb12u12`	Fixed	[CVE-2026-35538]
Debianforky	roundcube	`1.6.14+dfsg-1`	FixedDistribution-reported fixed boundary	[CVE-2026-35538]
Debianforky	roundcube	`1.6.20+dfsg-1`	Fixed	[CVE-2026-35538]
Debiansid	roundcube	`1.6.14+dfsg-1`	FixedDistribution-reported fixed boundary	[CVE-2026-35538]
Debiansid	roundcube	`1.6.20+dfsg-1`	Fixed	[CVE-2026-35538]
Debiantrixie	roundcube	`1.6.15+dfsg-0+deb13u1`	FixedDistribution-reported fixed boundary	[CVE-2026-35538]
Debiantrixie	roundcube	`1.6.18+dfsg-0+deb13u1`	Fixed	[CVE-2026-35538]
Debiantrixie-security	roundcube	`1.6.20+dfsg-0+deb13u1`	Fixed	[CVE-2026-35538]

Original provider fields

{
  "package_releases": [
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "sid",
      "version": "1.6.20+dfsg-1"
    },
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "forky",
      "version": "1.6.20+dfsg-1"
    },
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "trixie",
      "version": "1.6.18+dfsg-0+deb13u1"
    },
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "trixie-security",
      "version": "1.6.20+dfsg-0+deb13u1"
    },
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "bookworm",
      "version": "1.6.5+dfsg-1+deb12u9"
    },
    {
      "name": "roundcube",
      "status": "fixed",
      "release": "bookworm-security",
      "version": "1.6.5+dfsg-1+deb12u12"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1131182,
      "name": "roundcube",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1.6.14+dfsg-1"
    },
    {
      "bug": 1131182,
      "name": "roundcube",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1.6.14+dfsg-1"
    },
    {
      "bug": 1131182,
      "name": "roundcube",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1.6.15+dfsg-0+deb13u1"
    },
    {
      "bug": 1131182,
      "name": "roundcube",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "1.6.5+dfsg-1+deb12u8"
    }
  ],
  "distribution_packages": [
    {
      "name": "webmail",
      "fixed_version": "1.5.14",
      "applicability_unknown": true
    },
    {
      "name": "webmail",
      "fixed_version": "1.6.14",
      "applicability_unknown": true
    }
  ]
}

[Debian bug #1131182]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[roundcube]Unknown
Details (4)
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
[roundcube-core]Unknown
Source package: [roundcube]
Details (4)
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
[roundcube-mysql]Unknown
Source package: [roundcube]
Details (4)
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
[roundcube-pgsql]Unknown
Source package: [roundcube]
Details (4)
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
[roundcube-plugins]Unknown
Source package: [roundcube]
Details (4)
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
[roundcube-sqlite3]Unknown
Source package: [roundcube]
Details (4)
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u9 · all · bookworm
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12
- 1.6.5+dfsg-1+deb12u11 · all · bookworm-security
  Fixed · Fixed: 1.6.5+dfsg-1+deb12u8
  nvd · roundcube · debian · bookworm; nvd · roundcube · debian · 12

[Debian 13 (Trixie)]

[roundcube]Unknown
Details (7)
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.20+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
[roundcube-core]Unknown
Source package: [roundcube]
Details (7)
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.20+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
[roundcube-mysql]Unknown
Source package: [roundcube]
Details (7)
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.20+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
[roundcube-pgsql]Unknown
Source package: [roundcube]
Details (7)
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.20+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
[roundcube-plugins]Unknown
Source package: [roundcube]
Details (7)
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.20+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
[roundcube-sqlite3]Unknown
Source package: [roundcube]
Details (7)
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.16+dfsg-0+deb13u1 · all · trixie
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.17+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.18+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.19+dfsg-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13
- 1.6.20+dfsg-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 1.6.15+dfsg-0+deb13u1
  nvd · roundcube · debian · 13

Observed: Oct 27, 2026, 8:04:35 AM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]