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CVE-2026-118692

CherryTree through 1.7.2 OS Command Injection via Custom Web Link Action

7.1 High

CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Active

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.58%Unchanged since Oct 29, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.1

CherryTree through 1.7.2 OS Command Injection via Custom Web Link Action

CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.

Record
CVE-2026-118692
CVSS 4.0
7.1 HighCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
EUVDEUVD-2026-112493 7.1

CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.

Record
EUVD-2026-112493
CVSS 4.0
7.1 HighCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-3v3v-qqf5-5rqr 7.1

CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions:...

CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.

Record
GHSA-3v3v-qqf5-5rqr
CVSS 4.0
7.1 HighCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
NVD 7.1

CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.

Record
CVE-2026-118692
CVSS 4.0
7.1 HighCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-03
OSV 7.1

CherryTree through 1.7.2 OS Command Injection via Custom Web Link Action

CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.

Record
CVE-2026-118692
CVSS 4.0
7.1 HighCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-78
Updated
2026-11-04
OSVDEBIAN-CVE-2026-118692 7.1

CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.

Record
DEBIAN-CVE-2026-118692
CVSS 4.0
7.1 HighCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-03
OSVUBUNTU-CVE-2026-118692 7.1

CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.

Record
UBUNTU-CVE-2026-118692
CVSS 4.0
7.1 HighCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
cherrytree
Debian:12
 All versions, plus listed versions
0.99.48+dfsg-10.99.53+dfsg-11.0.2+dfsg-11.1.0+dfsg-11.1.2+dfsg-11.2.0+dfsg-1
 None known
cherrytree
Debian:13
 All versions, plus listed versions
1.2.0+dfsg-1
 None known
cherrytree
Debian:14
 All versions, plus listed versions
1.2.0+dfsg-1
 None known
cherrytree
Ubuntu:16.04:LTS
 All versions, plus listed versions
0.35.10-10.35.11-10.36.2-10.36.3-10.36.4-1
 None known
cherrytree
Ubuntu:18.04:LTS
 All versions, plus listed versions
0.37.6-10.37.6-1.1
 None known
cherrytree
Ubuntu:22.04:LTS
 All versions, plus listed versions
0.99.40+dfsg-10.99.43+dfsg-1build1
 None known
cherrytree
Ubuntu:24.04:LTS
 All versions, plus listed versions
0.99.48+dfsg-11.0.2+dfsg-11.0.2+dfsg-1build21.0.2+dfsg-1build31.1.2+dfsg-1
 None known
cherrytree
Ubuntu:26.10
 All versions, plus listed versions
1.2.0+dfsg-1build2
 None known
cherrytree
Ubuntu:26.04:LTS
 All versions, plus listed versions
1.2.0+dfsg-1build11.2.0+dfsg-1build2
 None known

History

History
RecordedChangedSources
factsEUVD, NVD, OSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-118692 is a high vulnerability (CVSS 7.1) in Giuspen Cherrytree, published October 28, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 48th percentile. No source names a fixed version.

References

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