CVE-2026-42568 | Yamcs Vulnerable to LDAP Injection in LdapAuthModule

Exp

Yamcs is a mission control framework. Prior to versions 5.13.0 and 5.12.7, an LDAP injection vulnerability exists in `org.yamcs.security.LdapAuthModule` when constructing search filters. The username parameter is inserted directly into the LDAP filter without proper RFC 4515 escaping. Versions 5.13.0 and 5.12.7 patch the issue.

Published: 2026-06-10 Last update: 2026-07-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2026-42568 is rated Exploit Available (52.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.01%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2026-42568

EDB-ID Source Kind Published Link
52603 exploit_db edb 2026-05-30 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2026-42568

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.81% 1.01% +0.19%
2 2026-06-11 0.81%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-42568

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]

Weakness enumeration for CVE-2026-42568

GitHub Security Advisory for CVE-2026-42568

GHSA-cqh3-jg8p-336j · Severity: medium · Ecosystem: maven — Yamcs Vulnerable to LDAP Injection in LdapAuthModule

Affected software / configurations for CVE-2026-42568

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2026-42568

cvelogic Threat Intelligence