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CVE-2026-118426

Missing authorization in Octopus Deploy Octopus Server

CVSS score

5.3

EPSS probability

—

Risk score

0.5

Published

1 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

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Vulnerability description

DayBreach AI Explanation

Verified against sources

Missing Authorization Vulnerability in Octopus Deploy Octopus Server

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A missing authorization vulnerability (CWE-862) exists in Octopus Deploy Octopus Server when the LDAP authentication provider is enabled. (S0, S1) In affected versions, any authenticated user can invoke the LDAP user search and LDAP group search. (S0, S1) This issue has a medium severity rating and its patch status is currently UNKNOWN in reviewed official sources. (S0)

Why does it matter?

The authorization flaw allows authenticated users to misuse LDAP search functions that they should not normally access. (S0, S1) This increases the risk of information disclosure and weakens access control policies on targeted systems. (S0)

What should be done?

  • Follow vendor advisory guidance
  • Review official announcements for updates
Chain of evidence and sources3 verified claims

Octopus Server uygulamasında LDAP kimlik doğrulama sağlayıcısı etkinken yetkilendirme eksikliği bulunmaktadır.

S0 · daybreach-canonicalS1 · cvelist

Kimliği doğrulanmış herhangi bir kullanıcı LDAP kullanıcı ve grup arama işlevlerini çağırabilir.

S0 · daybreach-canonicalS1 · cvelist

İncelenen resmî kaynaklarda yama durumu UNKNOWN olarak belirtilmiştir.

S0 · daybreach-canonical
Show the technical text from the sources

In affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could call the LDAP user search and LDAP group search.

CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CWE: CWE-862

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-118426 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1Octopus DeployOctopus Server View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
5.3CVSS V4_0MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-118426 is associated with the following CWEs:

CWE-862: Common Weakness Enumeration Entry CWE-862

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-118426 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

https://advisories.octopus.com/post/2026/sa2026-18vendor-advisory

CVSS Vector Radar Chart

5.3 / 10
Attack VectorNetworkComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

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OD
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Octopus Deploy

Weakness Type (CWE & CAPEC)

CWE-862

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CVE-2026-118426 · Missing authorization in Octopus Deploy…