Security readout for executives and security teams
Plain-English summary
Affected Spring Security applications can expose an embedded LDAP server to the network with a known administrative identity and credential. An unauthenticated remote attacker could potentially gain administrative LDAP access, compromising directory data and disrupting dependent services.
Executive priority
Treat reachable instances as an immediate remediation priority because compromise requires no existing account or user action. First identify internet-facing and broadly accessible environments, contain listener access, then apply Spring's documented fixed release when confirmed.
Technical view
UnboundIdContainer creates an administrative credential unconditionally and binds the embedded UnboundID LDAP listener to all available network interfaces. In affected releases, this creates a network-reachable, hard-coded credential weakness classified as CWE-798, with potential confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where an affected Spring Security release starts UnboundIdContainer and network controls permit access to its LDAP listener. Merely depending on Spring Security does not establish exposure; runtime configuration and reachability must be verified.
Exploitation context
The CVSS 3.1 score is 9.4, reflecting remote, low-complexity access without privileges or user interaction. The supplied sources do not report active exploitation, and the CVE is not listed as KEV.
Researcher notes
Affected ranges supplied are 7.1.0; 7.0.0–7.0.6; 6.5.0–6.5.11; 6.4.0–6.4.18; 5.8.0–5.8.27; and 5.7.0–5.7.25. No fixed versions or vendor-specific workaround details are included in the supplied bundle, so current Spring guidance must be consulted.
Mitigation direction
- Check Spring's advisory for fixed releases and upgrade to a vendor-designated version.
- Disable or remove UnboundIdContainer where the embedded LDAP server is unnecessary.
- Restrict LDAP listener access using host, container, and network controls until remediation is complete.
- Rotate potentially exposed LDAP credentials and review affected directory data after containment.
Validation and detection
- Inventory applications using the affected Spring Security version ranges.
- Determine whether UnboundIdContainer is instantiated in production or other reachable environments.
- Verify the LDAP listener's bound interfaces and network reachability from untrusted segments.
- Review LDAP authentication logs for unexpected administrative binds or directory changes.
- Confirm remediation prevents unintended network access and removes the known administrative credential risk.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-798: 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 lookupCredential 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 lookupCVE-2026-59270 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
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.
SSVC decision data
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L3.95.5vmwareVulnerability scoring details
Base CVSS 3.1 score
9.4CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://spring.io/security/cve-2026-59270CVE reference, vmware
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE mapping pending import
This CVE carries a CWE mapping that will resolve to a full Glexia CWE intelligence page after the official CWE import is complete.