WeGIA before 3.9.2 contains an authorization bypass vulnerability in the password change flow that allows any authenticated user to change their account password without providing existing credentials by exploiting the unconditional exclusion of the alterarSenha method from permission checks in controle/control.php. Attackers can manipulate the redir parameter to point to alterar_senha.php, routing through verificarSenhaConfig() instead of verificarSenha() to bypass current password verification and convert temporary session access into permanent account takeover.
CVE-2026-76633
HIGHPre-NVD 8.18.1—Trending — 3 sources updated this week
EchelonGraph scoreHIGH confidence
Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-20. a secondary CVSS source baseline 8.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 8.1Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.1
- EG Score
- 8.1(high)
- EG Risk
- 36(Track)EG Risk 36/100SSVC: 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 computedSeverity81% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
August 20, 2026
Last Modified
August 20, 2026
Advisory Details (3)
Auto-updated Aug 20, 2026🔬 Proof of concept available. Patch available. Sources: github.
generic
WeGIA < 3.9.2 Authorization Bypass Password Change via alterarSenha | Advisories | VulnCheck
https://www.vulncheck.com/advisories/wegia-authorization-bypass-password-change-via-alterarsenhageneric
Releases · LabRedesCefetRJ/WeGIA · GitHub
https://github.com/LabRedesCefetRJ/WeGIA/releases#release-3.9.2github Patch Available🟡 PoC Available
Authorization Bypass and Unverified Password Change via `alterarSenha` in WeGIA · Advisory · LabRedesCefetRJ/WeGIA · GitHub
https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-gfcx-7973-hjmpVendor Advisories for CVE-2026-76633(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 7× 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.
- 2026-08-21 03:46 UTCGHSA enrichment
- 2026-08-20 16:32 UTCEG score recompute
- 2026-08-20 16:32 UTCGHSA enrichment
- 2026-08-20 15:27 UTCEG score recompute
- 2026-08-20 14:25 UTCEG score recompute
- 2026-08-20 13:52 UTCEG score recompute
- 2026-08-20 13:51 UTCMITRE cvelistV5first tracked
Frequently asked(4)
What is CVE-2026-76633?
CVE-2026-76633 is a high vulnerability published on August 20, 2026. WeGIA before 3.9.2 contains an authorization bypass vulnerability in the password change flow that allows any authenticated user to change their account password without providing existing credentials by exploiting the unconditional exclusion of the alterarSenha method from permission checks in…
When was CVE-2026-76633 disclosed?
CVE-2026-76633 was first published in the National Vulnerability Database on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-76633?
CVE-2026-76633 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-76633?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-76633, 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-2026-76633
Is Your Infrastructure Affected by CVE-2026-76633?
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