Security readout for executives and security teams
Plain-English summary
CVE-2023-39056 describes an information leak in Coffee-jumbo v13.6.1. The reported business risk is exposure of a channel access token, which could let an attacker send crafted messages through that channel.
Executive priority
Treat this as a targeted secret-exposure risk, not a broadly confirmed emergency. Prioritize inventory and token review if Coffee-jumbo is deployed.
Technical view
The public CVE states that Coffee-jumbo v13.6.1 leaks information allowing attackers to obtain the channel access token and send crafted messages. No CVSS score, CWE, CPE, vendor advisory, or fixed version is provided in the supplied sources.
Likely exposure
Organizations are likely exposed only if they run Coffee-jumbo v13.6.1 with channel access tokens configured. The source bundle does not confirm other affected versions or products.
Exploitation context
CISA KEV status is false, and the supplied sources do not show active exploitation. A public GitHub report exists, but the bundle provides no confirmed exploitation-in-the-wild evidence.
Researcher notes
Evidence is sparse. The CVE record names Coffee-jumbo v13.6.1 and token leakage, but lacks severity scoring, CWE mapping, affected CPEs, vendor confirmation, exploit status, and remediation details.
Mitigation direction
- Identify any Coffee-jumbo v13.6.1 deployments.
- Check project or vendor guidance for fixed releases or configuration changes.
- If token exposure is confirmed, rotate affected channel access tokens.
- Review token permissions and reduce unnecessary message-sending scope.
- Monitor connected channels for unexpected crafted messages.
Validation and detection
- Confirm whether Coffee-jumbo v13.6.1 exists in production or staging.
- Review application behavior for unintended disclosure of channel access tokens.
- Check logs for suspicious message-sending activity from affected channels.
- Verify rotated tokens invalidate previous channel access tokens.
- Document uncertainty where vendor, CPE, or fixed-version evidence is missing.
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.
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 lookupCVE-2023-39056 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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
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://github.com/syz913/CVE-reports/blob/main/CVE-2023-39056.mdCVE reference, mitre
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.