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CVE Record

CVE-2026-0723: Unchecked Return Value in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an individual with existing knowledge of a victim's credential ID to bypass two-factor authentication by submitting forged device responses.

HighCVSS 7.4Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2026-0723 is a GitLab CE/EE flaw that could let someone bypass two-factor authentication if they already know a victim’s credential ID. This threatens account takeover protections, but the published CVSS notes high attack complexity. GitLab says the issue is remediated in patch releases.

Executive priority

Treat as a high-priority GitLab patch if your organization runs affected versions. The business concern is weakening of 2FA for GitLab accounts, which can expose code and CI/CD assets. Prioritize internet-facing or high-value instances, while noting no confirmed active exploitation is cited.

Technical view

GitLab describes an unchecked return value issue, CWE-252, affecting GitLab CE/EE 18.6 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2. An attacker with existing knowledge of a victim credential ID could submit forged device responses to bypass 2FA. CVSS 3.1 score is 7.4, high.

Likely exposure

Organizations running self-managed GitLab CE/EE in the affected version ranges are the primary exposed population. The provided sources do not identify other affected products. Exposure is most relevant where 2FA protects sensitive repositories, CI/CD secrets, or administrative accounts.

Exploitation context

No CISA KEV listing is provided, and the source bundle does not state active exploitation. Public details indicate the attacker needs existing knowledge of a victim credential ID, raising complexity. Some referenced technical materials require permissions, limiting independent public verification.

Researcher notes

The public CVE record provides affected ranges, CVSS, CWE, and attack precondition. GitLab issue and HackerOne references are listed but permission-restricted in the source bundle, so public technical depth is limited. Avoid assuming exploit availability or broader impact beyond the stated 2FA bypass condition.

Mitigation direction

  • Upgrade GitLab CE/EE 18.6 to 18.6.4 or later in that release line.
  • Upgrade GitLab CE/EE 18.7 to 18.7.2 or later in that release line.
  • Upgrade GitLab CE/EE 18.8 to 18.8.2 or later in that release line.
  • Review GitLab’s patch release advisory for any environment-specific instructions.
  • Prioritize instances protecting source code, CI/CD credentials, or privileged administrative access.

Validation and detection

  • Inventory all GitLab CE/EE instances and record exact version numbers.
  • Confirm no instance runs 18.6 before 18.6.4, 18.7 before 18.7.2, or 18.8 before 18.8.2.
  • Verify the GitLab patch release was successfully applied.
  • Review authentication logs for unusual successful 2FA events, noting no specific indicators were provided.
  • Track vendor advisories for any newly published detection or remediation details.
Prepared
Confidence
high
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-252: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-0723 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.4CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N2.25.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.4High
CVSS 3.1 vector shape for CVE-2026-0723Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
GitLabGitLab18.6, 18.7, 18.8unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-252 · source CWE mapping

Unchecked Return Value

Unchecked Return Value represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.