Page generated: 11 Nov 2026, 06:38 UTC
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CVE-2026-3502

TrueConf Client downloads application update code and applies it without performing verification. 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 arb…

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TrueConf Client downloads application update code and applies it without performing verification. 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.
CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.2/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.8: +1.17
  • Fresh EPSS: 5.85%: +0.03

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

BleepingComputer
Press · 21 Aug 2026, 07:00 · CISA orders feds to patch actively exploited TrueConf Server flaws - BleepingComputer
Recorded Future
Press · 15 May 2026, 07:00 · April 2026 CVE Landscape - Recorded Future
Check Point Research
Press · 06 Apr 2026, 07:00 · 6th April – Threat Intelligence Report - Check Point Research
The Record from Recorded Future News
Press · 03 Apr 2026, 07:00 · CISA gives agencies two weeks to patch video conferencing bug exploited by Chinese hackers - The Record from Recorded Future News
SecurityWeek
Press · 03 Apr 2026, 07:00 · TrueConf Zero-Day Exploited in Asian Government Attacks - SecurityWeek
See all 10 source documents
Help Net Security
Press · 02 Apr 2026, 07:00 · TrueConf zero-day vulnerability exploited to target government networks - Help Net Security
BleepingComputer
Press · 01 Apr 2026, 07:00 · Hackers exploit TrueConf zero-day to push malicious software updates - BleepingComputer
Check Point Blog
Press · 31 Mar 2026, 07:00 · Operation TrueChaos: TrueConf Zero‑Day Supply‑Chain Attack - Check Point Blog
Check Point Research
Press · 31 Mar 2026, 07:00 · Operation TrueChaos: 0-Day Exploitation Against Southeast Asian Government Targets - Check Point Research
The Hacker News
Press · 31 Mar 2026, 07:00 · TrueConf Zero-Day Exploited in Attacks on Southeast Asian Government Networks - The Hacker News

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.2 (2026-11-02 15:14). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

See 2 repos with metrics
RepositoryStarsForksLanguageUpdated
fevar54/CVE-2026-3502---TrueConf-Client-Update-Hijacking-PoC00Python04 Apr 2026, 22:45
learner202649/CVE-2026-35029-PoC00Python19 May 2026, 14:04
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 7.8; EPSS 5.8%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
adjacent access, high privileges, user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 14:00:07.850251+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
30 Mar 2026, 18:05
First press mention
31 Mar 2026, 07:00
Added to the CISA KEV catalog
02 Apr 2026, 00:00
Latest press mention
21 Aug 2026, 07:00
Score calculated
05 Nov 2026, 14:00
PoCs on GitHub
2 repositories