TrueConf Client Download of Code Without Integrity Check Vulnerability
TrueConf Client contains a download of code without integrity check vulnerability. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.
- Vendor
- TrueConf
- Product
- Client
- CVSS
- 7.8
- EPSS (exploit probability)
- 0.3%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2026-3502 being exploited?
Yes. CISA added CVE-2026-3502 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 0.3% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-22. Full cross-catalog view: /kev-comparison
CVE-2026-3502 timeline
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
What to do
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
US federal civilian agencies must remediate by (14 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other TrueConf CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-72530 TrueConf Server Code Injection Vulnerability | [ CRITICAL ] | 9.0 | 1.7% | |
| CVE-2026-72529 TrueConf Server Missing Authentication for Critical Function Vulnerability | [ CRITICAL ] | 9.8 | 1.5% |