Page generated: 09 Nov 2026, 09:31 UTC
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CVE-2025-68645

A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest…

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A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.6/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 8.8: +1.32
  • Fresh EPSS: 48.87%: +0.24

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

Sources: 6 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

Security Affairs
Press · 10 Jul 2026, 07:00 · Update Now: Critical Zimbra Classic Web Client Flaw Could Expose Mailboxes - Security Affairs
Recorded Future
Press · 24 Feb 2026, 08:00 · January 2026 CVE Landscape: 23 Critical Vulnerabilities Mark 5% Increase, APT28 Exploits Microsoft Office Zero-Day - Recorded Future
Cyber Daily
Press · 23 Jan 2026, 08:00 · 4 vulnerabilities added to CISA’s ‘known exploited’ listing - Cyber Daily
The Hacker News
Press · 23 Jan 2026, 08:00 · CISA Updates KEV Catalog with Four Actively Exploited Software Vulnerabilities - The Hacker News
SecurityWeek
Press · 23 Jan 2026, 08:00 · Organizations Warned of Exploited Zimbra Collaboration Vulnerability - SecurityWeek
See all 6 source documents
BleepingComputer
Press · 23 Jan 2026, 08:00 · CISA confirms active exploitation of four enterprise software bugs - BleepingComputer

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 8.6 (2026-11-02 15:14). The curve appears once the score changes.

Public exploit evidence

4

Public exploit entries / repo candidates

See 4 repos with metrics
RepositoryStarsForksLanguageUpdated
MaxMnMl/zimbramail-CVE-2025-68645-poc30—04 Jan 2026, 18:29
codeb0ssx/CVE-2025-68645-PoC20Python30 Dec 2025, 23:23
HarisAidhin/Poc_CVE-2025-6864510Python06 May 2026, 07:32
Ashwesker/Ashwesker-CVE-2025-6864500—07 Aug 2026, 17:48
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 8.8; EPSS 48.9%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior 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 13:59:46.613767+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
22 Dec 2025, 00:00
Added to the CISA KEV catalog
22 Jan 2026, 00:00
First press mention
23 Jan 2026, 08:00
Latest press mention
10 Jul 2026, 07:00
Score calculated
05 Nov 2026, 13:59
PoCs on GitHub
4 repositories