Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 generate predictable numeric session identifiers in the web management interface. An attacker can guess valid session IDs and hijack authenticated sessions.
CVE-2026-27515
CRITICALPre-NVD 9.19.1—
EchelonGraph scoreMEDIUM confidence
Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-02-24. a secondary CVSS source baseline 9.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.1
- EG Score
- 9.1(medium)
- EG Risk
- 45(Track)EG Risk 45/100SSVC: 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 computedSeverity91% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 24%
- KEV
- Not listed
Published
February 24, 2026
Last Modified
June 17, 2026
Advisory Details (2)
Auto-updated Jul 27, 2026No patch confirmed yet.
generic
Binardat 10G08-0800GSM Network Switch Predictable Session Identifiers | Advisories | VulnCheck
https://www.vulncheck.com/advisories/binardat-10g08-0800gsm-network-switch-predictable-session-identifiersgeneric
8 Port 10 Gigabit SFP Managed Switch, Support 1G Sfp and 10G Sfp+ Module, 160Gbps Bandwidth, L3 Web Managed, Metal Fanless Fiber Binardat Network Switch
https://www.binardat.com/products/8-port-10-gigabit-sfp-managed-switch,-support-1g-sfp-and-10g-sfp-module,-160gbps-bandwidth,-l3-web-managed,-metal-fanless-fiber-binardat-network-switchWeakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 2× in last 7d / 2× 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.
- 2026-07-27 14:09 UTCEG score recompute
- 2026-07-27 14:09 UTCGHSA enrichment
Related CVEs(same CWE)
Same CWE
10 shownCWE-330
Frequently asked(5)
What is CVE-2026-27515?
CVE-2026-27515 is a critical vulnerability published on February 24, 2026. Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 generate predictable numeric session identifiers in the web management interface. An attacker can guess valid session IDs and hijack authenticated sessions.
When was CVE-2026-27515 disclosed?
CVE-2026-27515 was first published in the National Vulnerability Database on February 24, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-27515 actively exploited?
CVE-2026-27515 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 75.6% of all scored CVEs.
What is the CVSS score of CVE-2026-27515?
CVE-2026-27515 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-27515?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-27515, 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-2026-27515
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