Page generated: 08 Nov 2026, 07:21 UTC
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CVE-2025-49113

Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.

CVSS 9.9 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
9.0/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.9: +1.49
  • Fresh EPSS: 99.49%: +0.50

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

Sources: 13 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

Infosecurity Magazine
Press · 07 Jul 2026, 07:00 · Suspected Chinese Threat Group Targets Universities via Vulnerable Roundcube Servers - Infosecurity Magazine
Cyber Daily
Press · 24 Feb 2026, 08:00 · You’ve got mail: Pair of Roundcube Webmail vulnerabilities added to KEV catalogue - Cyber Daily
Cybersecurity Dive
Press · 23 Feb 2026, 08:00 · Hackers target vulnerabilities in Roundcube Webmail - Cybersecurity Dive
SecurityWeek
Press · 23 Feb 2026, 08:00 · Recent RoundCube Webmail Vulnerability Exploited in Attacks - SecurityWeek
The Hacker News
Press · 21 Feb 2026, 08:00 · CISA Adds Two Actively Exploited Roundcube Flaws to KEV Catalog - The Hacker News
See all 13 source documents
The Hacker News
Press · 09 Oct 2025, 07:00 · From Phishing to Malware: AI Becomes Russia's New Cyber Weapon in War on Ukraine - The Hacker News
SOCRadar
Press · 10 Jun 2025, 07:00 · CVE-2025-49113: Critical Roundcube Flaw RCE Exploitation - SOCRadar
SecurityWeek
Press · 10 Jun 2025, 07:00 · Exploited Vulnerability Impacts Over 80,000 Roundcube Servers - SecurityWeek
Check Point Research
Press · 09 Jun 2025, 07:00 · 9th June – Threat Intelligence Report - Check Point Research
BleepingComputer
Press · 09 Jun 2025, 07:00 · Over 84,000 Roundcube instances vulnerable to actively exploited flaw - BleepingComputer
CERT Polska
Press · 05 Jun 2025, 07:00 · UNC1151 exploiting Roundcube to steal user credentials in a spearphishing campaign - CERT Polska
BleepingComputer
Press · 05 Jun 2025, 07:00 · Hacker selling critical Roundcube webmail exploit as tech info disclosed - BleepingComputer
The Hacker News
Press · 03 Jun 2025, 07:00 · Critical 10-Year-Old Roundcube Webmail Bug Allows Authenticated Users Run Malicious Code - 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 9.0 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

See 2 repos with metrics
RepositoryStarsForksLanguageUpdated
Zwique/CVE-2025-4911350Python25 Aug 2025, 05:35
Evillm/CVE-2025-49113-PoC00Python04 Feb 2026, 18:04
Public exploit evidence
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 9.9; EPSS 99.5%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, low 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 13:59:39.188146+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
02 Jun 2025, 00:00
First press mention
03 Jun 2025, 07:00
Added to the CISA KEV catalog
20 Feb 2026, 00:00
Latest press mention
07 Jul 2026, 07:00
Score calculated
05 Nov 2026, 13:59
PoCs on GitHub
2 repositories