Fortra BoKS Manager contains an OS command injection vulnerability in the client upgrade and patch tooling for legacy tar-based client installations. A malicious or compromised legacy tar-installed client selected for upgrade or patching may be able to cause commands to be executed on the BoKS Master during client version handling.
CVE-2026-9863
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 53% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EG Risk
- 44(Track)EG Risk 44/100SSVC: 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 computedSeverity88% × 45%Exploitation1% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 47%
- KEV
- Not listed
Published
June 15, 2026
Last Modified
July 28, 2026
References (1)
- df4dee71-de3a-4139-9588-11b62fe6c0ffhttps://www.fortra.com/security/advisories/product-security/fi-2026-008
Vendor Advisories for CVE-2026-9863(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 9× in last 7d / 44× 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.
Showing the most recent 100 of 238 total refreshes for this CVE.
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-15 03:12 UTCEPSS rescore
- 2026-09-14 03:47 UTCEG score recompute
- 2026-09-14 03:47 UTCGHSA enrichment
- 2026-09-13 16:48 UTCEPSS rescore
- 2026-09-12 15:02 UTCEPSS rescore
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 09:38 UTCEPSS rescore
- 2026-09-10 09:35 UTCEPSS rescore
- 2026-09-08 22:01 UTCEPSS rescore
- 2026-09-06 13:48 UTCEPSS rescore
- 2026-09-05 15:31 UTCEPSS rescore
- 2026-09-04 05:07 UTCEPSS rescore
- 2026-09-02 14:12 UTCEPSS rescore
- 2026-09-01 13:54 UTCEPSS rescore
- 2026-09-01 04:40 UTCEPSS rescore
- 2026-08-30 22:59 UTCEG score recompute
- 2026-08-30 22:59 UTCGHSA enrichment
- 2026-08-30 19:18 UTCEPSS rescore
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-28 21:42 UTCEPSS rescore
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-26 14:47 UTCEPSS rescore
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-24 23:38 UTCEG score recompute
Show 75 moreShow fewer
- 2026-08-24 23:38 UTCGHSA enrichment
- 2026-08-24 14:18 UTCEPSS rescore
- 2026-08-23 20:47 UTCGHSA enrichment
- 2026-08-23 09:49 UTCEG score recompute
- 2026-08-23 09:49 UTCGHSA enrichment
- 2026-08-23 00:19 UTCEPSS rescore
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-21 17:46 UTCGHSA enrichment
- 2026-08-21 06:34 UTCEG score recompute
- 2026-08-21 06:34 UTCGHSA enrichment
- 2026-08-20 22:56 UTCEPSS rescore
- 2026-08-20 19:37 UTCGHSA enrichment
- 2026-08-20 08:41 UTCEG score recompute
- 2026-08-20 08:41 UTCGHSA enrichment
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-19 13:15 UTCEG score recompute
- 2026-08-19 13:15 UTCGHSA enrichment
- 2026-08-18 13:49 UTCEPSS rescore
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 09:25 UTCGHSA enrichment
- 2026-08-16 22:29 UTCEG score recompute
- 2026-08-16 22:29 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 10:11 UTCEG score recompute
- 2026-08-16 10:11 UTCGHSA enrichment
- 2026-08-16 02:15 UTCEPSS rescore
- 2026-08-15 23:15 UTCGHSA enrichment
- 2026-08-15 10:21 UTCEG score recompute
- 2026-08-15 10:21 UTCGHSA enrichment
- 2026-08-15 01:31 UTCEPSS rescore
- 2026-08-14 23:06 UTCGHSA enrichment
- 2026-08-14 12:09 UTCGHSA enrichment
- 2026-08-14 01:13 UTCEG score recompute
- 2026-08-14 01:13 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 14:16 UTCGHSA enrichment
- 2026-08-13 02:57 UTCGHSA enrichment
- 2026-08-12 16:01 UTCEG score recompute
- 2026-08-12 16:01 UTCGHSA enrichment
- 2026-08-12 13:51 UTCEPSS rescore
- 2026-08-12 05:04 UTCGHSA enrichment
- 2026-08-11 17:57 UTCEG score recompute
- 2026-08-11 17:57 UTCGHSA enrichment
- 2026-08-11 13:43 UTCEPSS rescore
- 2026-08-11 07:00 UTCEG score recompute
- 2026-08-11 07:00 UTCGHSA enrichment
- 2026-08-11 00:00 UTCEPSS rescore
- 2026-08-10 20:04 UTCGHSA enrichment
- 2026-08-10 09:07 UTCGHSA enrichment
- 2026-08-09 22:11 UTCEG score recompute
- 2026-08-09 22:11 UTCGHSA enrichment
- 2026-08-09 13:47 UTCEPSS rescore
- 2026-08-09 11:15 UTCGHSA enrichment
- 2026-08-09 00:19 UTCEG score recompute
- 2026-08-09 00:19 UTCGHSA enrichment
- 2026-08-08 16:37 UTCEPSS rescore
- 2026-08-08 13:23 UTCGHSA enrichment
- 2026-08-08 02:26 UTCEG score recompute
- 2026-08-08 02:26 UTCGHSA enrichment
- 2026-08-07 16:30 UTCEPSS rescore
- 2026-08-07 15:30 UTCGHSA enrichment
- 2026-08-07 04:34 UTCGHSA enrichment
- 2026-08-06 17:38 UTCEG score recompute
- 2026-08-06 17:38 UTCGHSA enrichment
- 2026-08-06 13:47 UTCEPSS rescore
- 2026-08-06 06:41 UTCGHSA enrichment
- 2026-08-05 19:45 UTCEG score recompute
- 2026-08-05 19:45 UTCGHSA enrichment
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-04 15:42 UTCEG score recompute
- 2026-08-04 15:42 UTCGHSA enrichment
- 2026-08-04 15:10 UTCEPSS rescore
- 2026-08-04 10:39 UTCEPSS rescore
- 2026-08-04 02:33 UTCGHSA enrichment
- 2026-08-03 15:36 UTCEG score recompute
Related CVEs(same CWE)
Same CWE
10 shownCWE-78
- CVE-2009-20011EG 10.0CRITICAL
- CVE-2011-10017EG 10.0CRITICAL
- CVE-2012-1166EG 10.0EPSS p92HIGH
- CVE-2012-2976EG 10.0EPSS p92HIGH
- CVE-2012-2953EG 10.0EPSS p99HIGH
- CVE-2011-4502EG 10.0EPSS p92HIGH
- CVE-2011-2148EG 10.0EPSS p92HIGH
- CVE-2011-0382EG 10.0EPSS p90HIGH
- CVE-2011-0381EG 10.0EPSS p92HIGH
- CVE-2011-0372EG 10.0HIGH
Frequently asked(5)
What is CVE-2026-9863?
When was CVE-2026-9863 disclosed?
Is CVE-2026-9863 actively exploited?
What is the CVSS score of CVE-2026-9863?
How do I remediate CVE-2026-9863?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-9863
Is Your Infrastructure Affected by CVE-2026-9863?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.