A server-side request forgery (SSRF) vulnerability WatchGuard Dimension Remote Backup Connection Test configuration allows an authenticated privileged attacker to enumerate exposed network services on adjacent network systems.
CVE-2026-78495
MEDIUMPre-NVD 5.35.3—Trending — 4 sources updated this week
EchelonGraph scoreMEDIUM confidence
This medium-severity CVE scores 5.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 89% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, secondary
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EG Risk
- 28(Track)EG Risk 28/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity53% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 11%
- KEV
- Not listed
Published
August 27, 2026
Last Modified
August 28, 2026
Advisory Details (1)
Auto-updated Aug 28, 2026⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation
CVE-2026-78495 — Dimension Server-Side Request Forgery via Remote Backup Connection Test
https://psirt.watchguard.com/CVE-2026-78495Vendor Advisories for CVE-2026-78495(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 8× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-29 20:14 UTCEG score recompute
- 2026-08-29 20:14 UTCGHSA enrichment
- 2026-08-28 21:42 UTCEPSS rescore
- 2026-08-28 20:37 UTCGHSA enrichment
- 2026-08-28 18:58 UTCGHSA enrichment
- 2026-08-28 02:18 UTCEG score recompute
- 2026-08-28 02:10 UTCEG score recompute
- 2026-08-28 02:07 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-918
- CVE-2016-10927EG 10.0CRITICAL
- CVE-2016-10926EG 10.0CRITICAL
- CVE-2018-10511EG 10.0CRITICAL
- CVE-2018-1000124EG 10.0CRITICAL
- CVE-2017-11291EG 10.0EPSS p91CRITICAL
- CVE-2017-12905EG 10.0CRITICAL
- CVE-2017-8794EG 10.0CRITICAL
- CVE-2017-13667EG 9.9CRITICAL
- CVE-2017-17674EG 9.8CRITICAL
- CVE-2013-4864EG 9.8EPSS p93CRITICAL
Frequently asked(5)
What is CVE-2026-78495?
CVE-2026-78495 is a medium vulnerability published on August 27, 2026. A server-side request forgery (SSRF) vulnerability WatchGuard Dimension Remote Backup Connection Test configuration allows an authenticated privileged attacker to enumerate exposed network services on adjacent network systems.
When was CVE-2026-78495 disclosed?
CVE-2026-78495 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-78495 actively exploited?
CVE-2026-78495 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 89.3% of all scored CVEs.
What is the CVSS score of CVE-2026-78495?
CVE-2026-78495 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-78495?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78495, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-78495
Is Your Infrastructure Affected by CVE-2026-78495?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.