openSIS Classic 9.3 contains an authenticated path traversal vulnerability in the legacy messaging sent-mail attachment download functionality that allows an authenticated attacker to read arbitrary files on the server via crafted path traversal sequences.
CVE-2026-11944
MEDIUMNVD 6.56.5—Trending — 5 sources updated this weekElevated
EchelonGraph scoreHIGH confidence
Score 6.5 from GitHub Security Advisory published 2026-07-14. NVD baseline CVSS 6.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(high)
- EPSS
- 29.9%
- KEV
- Not listed
Published
July 14, 2026
Last Modified
July 14, 2026
Advisory Details (2)
Auto-updated Jul 15, 2026No patch confirmed yet.
generic
openSIS Classic 9.3 - Authenticated path traversal in SentMail attachment download | Fluid Attacks
https://fluidattacks.com/es/advisories/totogeneric
GitHub - OS4ED/openSIS-Classic: openSIS is a commercial grade, secure, scalable & intuitive Student Information System, School Management Software from OS4ED. Has all functionalities to run single or multiple institutions in one installation. Web based, php code, MySQL database. · GitHub
https://github.com/OS4ED/openSIS-ClassicVendor Advisories for CVE-2026-11944(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 6× in last 7d / 6× 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.
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 15:14 UTCEG score recompute▲ 1.20
- 2026-07-15 15:14 UTCGHSA enrichment
- 2026-07-14 21:22 UTCNVD updateCVSS v3 → 6.5
- 2026-07-14 15:41 UTCEG score recompute
- 2026-07-14 15:40 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-11944?
CVE-2026-11944 is a medium vulnerability published on July 14, 2026. openSIS Classic 9.3 contains an authenticated path traversal vulnerability in the legacy messaging sent-mail attachment download functionality that allows an authenticated attacker to read arbitrary files on the server via crafted path traversal sequences.
When was CVE-2026-11944 disclosed?
CVE-2026-11944 was first published in the National Vulnerability Database on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11944 actively exploited?
CVE-2026-11944 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11944?
CVE-2026-11944 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-11944?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11944, 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-2026-11944
Is Your Infrastructure Affected by CVE-2026-11944?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.