Page generated: 11 Nov 2026, 11:05 UTC
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CVE-2025-27920

Output Messenger before 2.0.63 was vulnerable to a directory traversal attack through improper file path handling. By using ../ sequences in parameters, attackers could access sensitive files outside the intended directory, potentially leading to configuration leakage or arbitrar…

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Output Messenger before 2.0.63 was vulnerable to a directory traversal attack through improper file path handling. By using ../ sequences in parameters, attackers could access sensitive files outside the intended directory, potentially leading to configuration leakage or arbitrary file access.
CVSS 7.2 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.1/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.2: +1.08
  • Fresh EPSS: 1.90%: +0.01

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

Sources: 9 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

Cyfirma
Press · 15 May 2025, 07:00 · Weekly Intelligence Report – 16 May 2025 - Cyfirma
Dark Reading
Press · 15 May 2025, 07:00 · Turkish APT Exploits Chat App Zero-Day to Spy on Iraqi Kurds - Dark Reading
The Register
Press · 13 May 2025, 07:00 · Turkish spies caught exploiting zero-day for over a year - The Register
SecurityWeek
Press · 13 May 2025, 07:00 · Output Messenger Zero-Day Exploited by Turkish Hackers for Iraq Spying - SecurityWeek
Infosecurity Magazine
Press · 13 May 2025, 07:00 · Turkey-Aligned Hackers Targeted Iraq-Based Kurds with Zero-Day Exploit - Infosecurity Magazine
See all 9 source documents
The Hacker News
Press · 13 May 2025, 07:00 · Türkiye Hackers Exploited Output Messenger Zero-Day to Drop Golang Backdoors on Kurdish Servers - The Hacker News
BleepingComputer
Press · 12 May 2025, 07:00 · Output Messenger flaw exploited as zero-day in espionage attacks - BleepingComputer
The Record from Recorded Future News
Press · 12 May 2025, 07:00 · Microsoft spots zero-day use in spy campaign against Kurdish military in Iraq - The Record from Recorded Future News
Microsoft
Press · 12 May 2025, 07:00 · Marbled Dust leverages zero-day in Output Messenger for regional espionage - Microsoft

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 8.1 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

0

Public exploit entries / repo candidates

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 7.2; EPSS 1.9%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:32.825259+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
05 May 2025, 00:00
First press mention
12 May 2025, 07:00
Latest press mention
15 May 2025, 07:00
Added to the CISA KEV catalog
19 May 2025, 00:00
Score calculated
05 Nov 2026, 13:59