Detections
Analytics
RHEL 7 : rhc-worker-script (RHSA-2026:54191)
medium Nessus Plugin ID 334845
Synopsis
The remote Red Hat host is missing one or more security updates for rhc-worker-script.Description
The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:54191 advisory.Remote Host Configuration (rhc) worker for executing scripts on hosts managed by Red Hat Lightspeed.
Security Fix(es):
* net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
* google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation (CVE-2026-33186)
* golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)
* crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)
* crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)
* net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)
* golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the RHEL rhc-worker-script package based on the guidance in RHSA-2026:54191.See Also
https://access.redhat.com/errata/RHSA-2026:54191
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2445356
https://bugzilla.redhat.com/show_bug.cgi?id=2449833
https://bugzilla.redhat.com/show_bug.cgi?id=2456336
https://bugzilla.redhat.com/show_bug.cgi?id=2456338
https://bugzilla.redhat.com/show_bug.cgi?id=2456339
https://bugzilla.redhat.com/show_bug.cgi?id=2467822
Plugin Details
Severity: Medium
ID: 334845
File Name: redhat-RHSA-2026-54191.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 8/12/2026
Updated: 8/12/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.3
Percentile: 96.81
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 4.6
Vector: CVSS2#AV:L/AC:H/Au:M/C:C/I:C/A:C
CVSS Score Source: CVE-2026-32282
CVSS v3
Risk Factor: Medium
Base Score: 6.4
Temporal Score: 5.8
Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:rhel_els:7, p-cpe:/a:redhat:enterprise_linux:rhc-worker-script
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/12/2026
Vulnerability Publication Date: 3/5/2026
Reference Information
CVE: CVE-2026-25679, CVE-2026-32280, CVE-2026-32282, CVE-2026-32283, CVE-2026-33186, CVE-2026-33811, CVE-2026-39821