CVE-2026-44501
📛 CVE Title
DataHub OIDC REDIRECT_URL Cookie Deserialization Vulnerability
Description
DataHub is an open-source metadata platform. Prior to 1.5.0.3, The DataHub frontend (datahub-frontend-react) deserializes attacker-controlled Java objects from the REDIRECT_URL HTTP cookie during the OIDC callback flow, with no integrity protection (no HMAC, no encryption). This is a Deserialization of Untrusted Data vulnerability (CWE-502) affecting the GET /callback/oidc endpoint. Successful exploitation requires a valid user account in the configured OIDC identity provider This vulnerability is fixed in 1.5.0.3.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- GitHub_M
- CVSS severity
- MEDIUM
- CVSS score
- 4.3 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N- Effective score
- 4.3 / 10 MEDIUM source: CNA overview
- CWE(s)
-
CWE-502 - Reserved
- 2026-05-06
- Published
- 2026-05-14 17:41 UTC
- Last updated
- 2026-05-14 20:22 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/44xxx/CVE-2026-44501.json
- Linked Threat
- CVE-2026-44501 — CVE-2026-44501
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-14 16:16:24 UTC
- NVD last modified
- 2026-05-16 03:31:29 UTC
- NVD CVSS v3.1
- 4.3 / 10 MEDIUM source: security-advisories@github.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N- Exploitability subscore
- 2.8 / 10
- Impact subscore
- 1.4 / 10
- EPSS score
- 0.0004 (probability of exploitation in next 30 days)
- EPSS percentile
- 12.78% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD / KEV / EPSS data refreshed 2026-05-25 08:37 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-30321 - Assigner
- GitHub_M
- Published
- May 14, 2026, 3:41:43 PM
- Updated
- May 14, 2026, 6:22:31 PM
- EUVD base score (CVSS 3.1)
-
4.3 / 10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - EUVD-reported EPSS
- 0.0400
- Vendors
- datahub-project
- Products
-
datahub (< 1.5.0.3)
ENISA description: DataHub is an open-source metadata platform. Prior to 1.5.0.3, The DataHub frontend (datahub-frontend-react) deserializes attacker-controlled Java objects from the REDIRECT_URL HTTP cookie during the OIDC callback flow, with no integrity protection (no HMAC, no encryption). This is a Deserialization of Untrusted Data vulnerability (CWE-502) affecting the GET /callback/oidc endpoint. Successful exploitation requires a valid user account in the configured OIDC identity provider This vulnerability is fixed in 1.5.0.3.
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| datahub-project | datahub |
< 1.5.0.3 (affected)
|
— |
Affected products — CPE 2.3 (1) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:a:datahub:datahub:*:*:*:*:*:*:*:*
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
MITRE references (1) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
Web references (3)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2026-44501 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-44501 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://github.com/datahub-project/datahub/security/advisories/GHSA-rjf9-p49v-42c4 security-advisories@github.com Vendor Advisory
Remediations (18)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:cyberpress.org
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .
2026-05-23 20:52 UTC -
web:cybersecuritynews.com
CISA added two critical Microsoft Defender flaws to its KEV catalog, warning of active attacks that could escalate privileges.
2026-05-23 20:52 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-23 20:52 UTC -
web:source.android.com
Security patch levels of 2025-11-01 or later address all of these issues. To learn how to check a device's security patch level, see Check and update your Android version. Within 48 hours after the initial publication of this bulletin, we will release the corresponding source code patches to the Android Open Source Project (AOSP) repository.
2026-05-23 20:52 UTC -
web:windowsreport.com
Microsoft patched two actively exploited Defender zero-days affecting Windows systems and security components.
2026-05-23 20:52 UTC -
web:www.crowdstrike.com
Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.
2026-05-23 20:52 UTC -
web:www.forbes.com
Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by attackers.
2026-05-23 20:52 UTC -
web:www.msn.com
Original story: Microsoft has released an emergency patch for a vulnerability in the company's Office programs that's already being exploited by hackers.
2026-05-23 20:52 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-05-23 20:52 UTC -
web:www.securityweek.com
Microsoft has announced mitigations for CVE - 2026 -45585, a BitLocker bypass triggered via FsTx in Windows Recovery.
2026-05-23 20:52 UTC -
web:gbhackers.com
CISA has issued an urgent alert warning organizations about two newly disclosed zero-day vulnerabilities affecting Microsoft Defender, both added to the Known Exploited Vulnerabilities (KEV) catalog on May 20, 2026 . CVE - 2026 -45498: Microsoft Defender DoS Vulnerability CVE - 2026 -45498 is a denial-of-service (DoS) vulnerability in Microsoft Defender that can cause the security service to stop ...
2026-05-26 02:57 UTC -
web:op-c.net
CISA has added two Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities catalog following evidence of active exploitation. The vulnerabilities, tracked as CVE - 2026 -41091 and CVE - 2026 -45498, affect core Microsoft Defender components used to protect Windows endpoints. CISA added both vulnerabilities to KEV on May 20, 2026 , with a federal remediation due date of June 3, 2026 .
2026-05-26 02:57 UTC -
web:thecyberexpress.com
Microsoft confirms active exploitation of CVE - 2026 -41091 and CVE - 2026 -45498 in Defender, with CVSS-rated risks, KEV listing, and urgent patches issued.
2026-05-26 02:57 UTC -
web:thehackernews.com
Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild. The former, tracked as CVE - 2026 -41091, is rated 7.8 on the CVSS scoring system. Successful exploitation of the flaw could allow an attacker to gain SYSTEM privileges. "Improper link resolution before file access ('link following') in Microsoft Defender ...
2026-05-26 02:57 UTC -
web:www.archynewsy.com
Understanding the Exploited Vulnerabilities The security risks involve two distinct CVE -tracked flaws that Microsoft has addressed in its latest updates: Critical Microsoft Defender Vulnerabilities Antimalware Platform CVE - 2026 -41091 (CVSS Score: 7.8): This vulnerability involves improper link resolution before file access, commonly known as "link following." By successfully exploiting ...
2026-05-26 02:57 UTC -
web:www.helpnetsecurity.com
Attackers are actively exploiting two Microsoft Defender vulnerabilities ( CVE - 2026 -41091 and CVE - 2026 -45498), Microsoft acknowledged.
2026-05-26 02:57 UTC -
web:www.microsoft.com
Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.
2026-05-26 02:57 UTC -
web:www.techradar.com
Microsoft patches two actively exploited zero‑day flaws in Defender, tracked as CVE‑2026‑41091 (privilege escalation) and CVE‑2026‑45498 (denial of service) Updates were shipped ...
2026-05-26 02:57 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-44501.json.
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