Security readout for executives and security teams
Plain-English summary
Vvveb versions before 1.0.8.2 can reveal a secret cron key to an unauthenticated remote attacker. That key could permit scheduled tasks to be triggered outside their intended timing. The issue is network-accessible without user interaction, but the supplied sources do not establish broader system compromise.
Executive priority
Prioritize remediation for public-facing Vvveb systems because exploitation needs no credentials. This is a moderate-severity secret disclosure with potential operational consequences, not a documented emergency: no active exploitation is established by the supplied evidence.
Technical view
The Vvveb cron controller exposes the application's secret cron key in its response without requiring authentication. CVE-2026-41928 is rated 6.9 under CVSS 4.0, with low confidentiality impact and no scored integrity or availability impact. A corrective commit is publicly referenced.
Likely exposure
Internet-accessible or otherwise untrusted-network-accessible Vvveb deployments before 1.0.8.2 are the likely exposure. The supplied affected-version metadata also lists version "0," so inventories should verify actual installed releases rather than relying solely on automated matching.
Exploitation context
The flaw requires no authentication, privileges, user interaction, or special conditions. Disclosure of the cron key may enable unscheduled task execution. CISA KEV status is false, and the supplied sources provide no evidence of active exploitation.
Researcher notes
CWE-497 applies. The public description says versions before 1.0.8.2 are affected, while structured affected data lists version "0," creating matching ambiguity. Analysis should remain limited to cron-key disclosure and possible off-schedule task triggering; the sources do not substantiate code execution or full compromise.
Mitigation direction
- Upgrade Vvveb to version 1.0.8.2 or later using vendor guidance.
- Review the referenced corrective commit when validating backported or customized installations.
- Treat the existing cron key as potentially exposed and consult vendor guidance about replacing it.
- Limit untrusted access to the cron controller while remediation is pending.
Validation and detection
- Inventory Vvveb deployments and confirm their exact installed versions.
- Verify deployments run version 1.0.8.2 or later, or contain the referenced correction.
- Confirm unauthenticated cron-controller responses no longer disclose the secret key.
- Review relevant access and task-execution records for unexpected cron-controller activity.
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-497: 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 lookupCredential 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-2026-41928 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
- Medium
- CVSS
- 6.9 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
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
2 official scoresWe 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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N——VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4VulnCheckVulnerability scoring details
Base CVSS 4.0 score
6.9MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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/givanz/Vvveb/commit/517bc09faf44136e72de391aacc8b90a706f7ae7CVE reference, VulnCheck · patch
- https://www.vulncheck.com/advisories/vvveb-information-disclosure-via-cron-controllerCVE reference, VulnCheck · third-party-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.
Exposure of Sensitive System Information to an Unauthorized Control Sphere
Exposure of Sensitive System Information to an Unauthorized Control Sphere represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.