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CVE Record

CVE-2026-71878: Authentication bypass in Integrated Publishing Toolkit

Missing authentication in initial setup functionality left exposed after initial setup is completed in GBIF Integrated Publishing Toolkit versions before 3.3.4 allows remote authenticated attackers to gain administrative control via authentication bypass

CriticalCVSS 9.2Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

GBIF Integrated Publishing Toolkit versions before 3.3.4 can leave initial-setup functionality accessible after installation. An attacker may bypass normal authentication and take administrative control, threatening published data, service integrity, and availability.

Executive priority

Treat as an immediate remediation priority for exposed IPT systems. Administrative takeover could undermine data integrity and service availability. Patch promptly, restrict access during remediation, and investigate potentially exposed systems for unauthorized administrative activity.

Technical view

CVE-2026-71878 is a CWE-306 missing-authentication flaw in post-installation setup functionality. It affects IPT versions before 3.3.4 and carries CVSS 4.0 score 9.2. The vector reports network access and no privileges required, although the supplied description inconsistently calls attackers authenticated.

Likely exposure

Internet-reachable IPT deployments below 3.3.4 face the greatest risk. Internal deployments remain exposed to reachable threat actors. The bundle does not establish whether every vulnerable installation exposes the affected functionality under identical conditions.

Exploitation context

The CVSS vector indicates low attack complexity but requires a prerequisite condition. The CVE is not listed in KEV, and the supplied sources provide no evidence of active exploitation. Absence from KEV does not establish that exploitation has never occurred.

Researcher notes

The vulnerability is categorized as CWE-306. Source metadata conflicts on attacker authentication: the prose says authenticated attackers, while CVSS reports PR:N and describes authentication bypass. Researchers should preserve this uncertainty and verify vendor details rather than infer exploit prerequisites.

Mitigation direction

  • Upgrade GBIF Integrated Publishing Toolkit to version 3.3.4 or later.
  • Prioritize externally reachable and sensitive-data deployments.
  • Restrict network access to IPT administration surfaces until upgrading.
  • Review GBIF and Mandiant guidance for additional vendor-approved precautions.

Validation and detection

  • Inventory all IPT deployments and record their installed versions.
  • Confirm each deployment runs version 3.3.4 or later.
  • Determine whether initial-setup functionality remains reachable after installation.
  • Review administrative accounts, configuration changes, and relevant access logs for anomalies.
  • Verify network controls restrict administrative access as intended.
Prepared
Confidence
medium
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-306: Credential and account abuse lookup

Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-71878 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.2 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
4Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.2CVSS 4.0CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N——Mandiant

Vulnerability scoring details

Base CVSS 4.0 score

9.2Critical
CVSS 4.0 vector shape for CVE-2026-71878Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
GBIFIntegrated Publishing Toolkit0unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-306 · source CWE mapping

Missing Authentication for Critical Functionality

Missing Authentication for Critical Functionality represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.