Security readout for executives and security teams
Plain-English summary
A highly privileged attacker with adjacent network access could make affected Adobe ColdFusion systems consume excessive resources. This may slow applications or cause denial of service. The issue does not expose data or alter information according to the supplied CVSS vector, and its overall severity is low.
Executive priority
Handle through routine vulnerability remediation, with faster action for business-critical ColdFusion services. The low CVSS score and demanding access prerequisites reduce urgency, but denial of service could still disrupt important applications. Confirm affected assets and vendor remediation rather than accepting the low rating without environment-specific review.
Technical view
CVE-2026-27308 is a CWE-400 uncontrolled resource consumption flaw affecting ColdFusion 2023 Update 18 and earlier and ColdFusion 2025 Update 6 and earlier. Exploitation requires high privileges, adjacent network access, low complexity, and no user interaction. Availability impact is rated low; confidentiality and integrity impacts are none.
Likely exposure
Exposure is limited to organizations running the identified ColdFusion release ranges where a highly privileged attacker can reach the application from an adjacent network. Business risk increases for availability-sensitive applications or environments with weak privileged-access controls. The supplied affected-version structure is ambiguous, so deployments should be checked against Adobe's advisory.
Exploitation context
The supplied sources do not report active exploitation, and the CVE is not identified as being in KEV. Successful exploitation requires high privileges and adjacent network access, substantially limiting opportunistic attacks. No user interaction is required once those access conditions are met.
Researcher notes
The supplied prose identifies 2023.18 and 2025.6 and earlier, while the structured affected data contains boundaries of 19 and 7 with default status unaffected. This likely represents range encoding, but that interpretation is not explicit. Confirm exact affected and fixed versions in Adobe APSB26-38. No exploit method, observed exploitation, or specific fixed build is provided.
Mitigation direction
- Check Adobe APSB26-38 for the supported update or mitigation; the supplied data does not identify a specific fixed build.
- Prioritize vendor remediation for ColdFusion 2023 Update 18-or-earlier and 2025 Update 6-or-earlier deployments.
- Restrict high-privilege ColdFusion access to trusted administrators and approved network paths.
- Monitor application resource consumption and service availability until remediation is confirmed.
Validation and detection
- Inventory ColdFusion editions and update levels across production, staging, and disaster-recovery systems.
- Compare every deployed version with Adobe APSB26-38 and document whether it is affected.
- Verify privileged access is restricted and adjacent network paths are appropriately controlled.
- Review monitoring records for unexplained resource exhaustion, severe slowdown, or application outages.
- After remediation, confirm the installed update level and normal resource behavior.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-400: 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 lookupCVE-2026-27308 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 2.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
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.
SSVC decision data
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L0.91.4adobeVulnerability scoring details
Base CVSS 3.1 score
2.4LowVector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/coldfusion/apsb26-38.htmlCVE reference, adobe · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.