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CVE Record

CVE-2026-48358: Adobe Commerce | Improper Encoding or Escaping of Output (CWE-116)

Adobe Commerce is affected by an Improper Encoding or Escaping of Output vulnerability that could result in arbitrary code execution in the context of the current user. An attacker with high privileges could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.

CriticalCVSS 9.1Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2026-48358 is a critical Adobe Commerce issue that can let a highly privileged attacker run code in the current user’s context. It affects Adobe Commerce, Commerce B2B, Magento Open Source, and the Adobe Commerce Webhooks Plugin. Public sources provided do not show confirmed active exploitation.

Executive priority

Treat this as urgent for commerce platforms because successful exploitation could affect confidentiality, integrity, and availability. The privilege requirement lowers likelihood, but the business impact is still severe.

Technical view

The flaw is CWE-116 improper output encoding or escaping. Adobe rates it CVSS 9.1: network reachable, low complexity, high privileges required, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.

Likely exposure

Organizations running the listed Adobe Commerce, Adobe Commerce B2B, Magento Open Source, or Webhooks Plugin versions may be exposed, especially where high-privilege accounts exist or admin access is broadly reachable.

Exploitation context

The source bundle says exploitation requires high privileges but no user interaction. KEV is false, and no cited source in the bundle confirms exploitation in the wild or provides public exploit details.

Researcher notes

Evidence is limited to the CVE record and Adobe advisory reference in the bundle. No exploit indicators, root-cause details, or exact fixed versions are included here; use Adobe APSB26-73 as the controlling remediation source.

Mitigation direction

  • Review Adobe APSB26-73 for vendor-approved remediation and fixed release guidance.
  • Inventory all Adobe Commerce, B2B, Magento Open Source, and Webhooks Plugin deployments.
  • Prioritize remediation for internet-facing commerce systems and production admin environments.
  • Restrict high-privilege account access until vendor remediation is applied.
  • Monitor privileged account activity for unusual changes or code execution indicators.

Validation and detection

  • Compare installed product and plugin versions against the affected versions in the source bundle.
  • Confirm whether each deployment follows Adobe APSB26-73 remediation guidance.
  • Review privileged user lists and remove unnecessary high-privilege access.
  • Check admin and application logs for unexpected high-privilege actions.
  • Verify remediation status after applying any vendor-provided update.
Prepared
Confidence
medium
Sources
3

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 · medium confidence lookup

CWE-116: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. 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-2026-48358 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
Critical
CVSS
9.1 (3.1)
Known Exploited
No
Published

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

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
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

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
9.1CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H2.36adobe

Vulnerability scoring details

Base CVSS 3.1 score

9.1Critical
CVSS 3.1 vector shape for CVE-2026-48358Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AdobeAdobe Commerce0, 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul, 2.4.5-2026-jul, 2.4.4-2026-julaffected
AdobeAdobe Commerce B2B0, 1.5.3-2026-jul, 1.5.2-2026-jul, 1.4.2-2026-jul, 1.3.4-2026-jul, 1.3.3-2026-julaffected
AdobeMagento Open Source0, 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-julaffected
AdobeAdobe Commerce Webhooks Plugin0, 1.21.0affected
Weakness

CWE details

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

CWE-116 · source CWE mapping

Improper Encoding or Escaping of Output

Improper Encoding or Escaping of Output represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.