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CVE-2026-41234

Froxlor: BIND Zone File Injection via TXT Record Content

Published: Jun 4, 2026Updated: Jun 5, 2026 Sources: CVE List NVDCWE-74
NVD MITRE
7.6CVSSHIGH
EPSS Score
0.5%
Top 63.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

Froxlor is open source server administration software. Prior to version 2.3.7, the `DomainZones.add` API endpoint does not sanitize newline characters in TXT record content. An authenticated customer with DNS editing enabled can inject newlines into TXT record values, which break out of the record line in the generated BIND zone file. This enables injection of arbitrary BIND directives (`$INCLUDE`, `$GENERATE`) and arbitrary DNS records (A, MX, CNAME) into the zone file written to disk by the DNS rebuild cron. This is an incomplete fix for CVE-2026-30932 (GHSA-x6w6-2xwp-3jh6), which patched the same newline injection for LOC, RP, SSHFP, and TLSA record types but did not patch TXT records. Version 2.3.7 contains an updated patch.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:HA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:LAvailability
Low
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Weaknesses

CWE-74

Affected Products

froxlorfroxlor
On-premWeb App
Enterprise Software / itsm-monitoring
froxlorEnterprise Softwareaka froxlor

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
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References

https://github.com/froxlor/froxlor/security/advisories/GHSA-37m5-m4q3-fc6x
github.com
https://github.com/advisories/GHSA-x6w6-2xwp-3jh6
github.com
https://github.com/froxlor/froxlor/releases/tag/2.3.7
github.com

Timeline

Published
Jun 4, 2026
Last Updated
Jun 5, 2026

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