How should we interpret CVSS severity scores?

CVSS estimates technical severity, but it does not automatically equal business risk. Prioritize using context like internet exposure, asset criticality, known exploitation, and whether compensating controls exist. A Medium CVSS on an exposed production system can be more urgent than a Critical on an isolated non-production host.

Vulnerability Database

Q: What is a Vulnerability (CVE) and why does it matter?

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

Q: What's the difference between a vulnerability, an exploit, and a zero-day?

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. Risk increases sharply when exploitation becomes reliable or widespread.

Q: Why do vulnerabilities keep reappearing in our environment?

Recurring findings usually come from incomplete asset discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host.

Q: How do we prioritize remediation without burning out the team?

Use a repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress so remediation is steady, not reactive.

Q: How can SynScan help reduce vulnerability risk over time?

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.

374,644

Total vulnerabilities in the database

CVE-2026-55178 — @geolens / sdk

Exposure of Sensitive Information to an Unauthorized Actor

Summary

Multiple GeoLens read/link endpoints authorized only the resource named in the request URL (a map, a VRT, a source dataset, an AI request) and failed to re-authorize a second, caller-influenced dataset that the request reached through a relationship, layer reference, mosaic source, or request body. This "authorize the URL resource, read a different dataset un-re-authorized" pattern let callers read data from datasets they have no access to.

The most severe instances require no authentication at all (anonymous, network-only). Others require only the default editor role that any self-service signup / upload user receives.

All issues are fixed in 1.2.3. There is no complete configuration workaround — upgrading is the only full remediation.

Impact

Depending on the endpoint, an attacker can read, for datasets they cannot otherwise access:

the dataset's vector tile data (actual feature geometries/attributes),
the dataset's raster pixels,
backing-table rows,
and metadata — table name, column schema, feature count, extent, source URL/filename, contacts, and sampled row values.

Affected versions

All versions prior to 1.2.3 (includes the published 1.0.0, 1.2.0, and 1.2.2 releases and their PyPI/npm/GHCR artifacts). Fixed in 1.2.3.

Findings

1. Anonymous metadata + private vector-tile disclosure via public maps (PR #235) GET /maps/{id} and GET /maps/{id}/style.json authorized the map but not each layer's backing dataset. A public map that references a private dataset leaked that dataset's table name, column schema, feature count, extent, and sampled values to anonymous callers. style.json additionally returned a vector-tile URL carrying an HMAC signature bound to neither user nor map, which the tile endpoint accepts for non-public datasets with no user check — so the signature is replayable to read the private dataset's actual vector tiles. (Anonymous · High)

2. Anonymous private-row disclosure via dataset relationships (PR #234) The dataset FK-relationship APIs authorized only the source dataset from the URL, never the relationship target. A public dataset with a relationship to a private dataset let an anonymous caller enumerate the relationship (obtaining the private target's id/title and the relationship id) and then call the related-record endpoint to read rows from the private target's backing table. (Anonymous · High)

3. Anonymous metadata disclosure via OGC externalId lookup (PR #236) GET /collections/datasets/items?externalId=<uuid> resolved the dataset by id and returned the full OGC catalog record (title, summary, bbox, keywords, contacts, distributions, source org) with no visibility check — the user was never threaded into the lookup. An anonymous caller could read any private, restricted, or unpublished dataset's metadata by UUID. (Anonymous · High)

4. Cross-tenant raster pixel disclosure via VRT mosaics — SEC-C (PR #237) An authenticated user with the default editor upload permission could mosaic another user's private raster into a VRT they own, then read the victim's pixels back through raster tile / quicklook / COG endpoints that authorize only the attacker-owned VRT. VRT member pixels are compiled into one served asset and cannot be filtered at read time, so the fix authorizes every source dataset at write/link time. (Authenticated editor · High)

5. Cross-tenant metadata/sample-data disclosure via AI metadata endpoints — SEC-D (PR #238) The POST /ai/metadata/{summary,keywords,lineage,quality-statement} endpoints were gated only by the use_ai_chat permission (held by the default editor role). The attacker-controlled dataset_id in the request body flowed into the LLM prompt context with no visibility filter, rendering any dataset's title, summary, source URL, filename, column schema, and sample values into the response. (Authenticated editor · High)

6. Residual VRT member disclosure for legacy links — SEC-E (PR #237) Link-time authorization (finding 4) does not re-authorize pre-existing vrt_source_links, so legacy or authorization-drift links still leaked member metadata and health via the VRT source-listing/status endpoints until a per-member read filter was added. (Medium)

Patches

Fixed in 1.2.3 by, in order:

31a103b9 — fix(catalog): authorize relationship targets in related-record endpoints (#234)
01bc87da — fix(maps): re-authorize each layer's dataset on anonymous map read endpoints (#235)
407c0688 — fix(ogc): enforce dataset visibility on the externalId OGC item lookup (#236)
2c031da8 — fix(vrt): authorize VRT source datasets at link time + filter unauthorized members on read (#237)
07dfb1c6 — fix(ai): authorize the requested dataset on AI metadata endpoints (#238)

The fixes follow the codebase's established per-dataset re-authorization pattern (can_access_dataset / check_dataset_access_or_anonymous), filtering at read time and authorizing cross-dataset references at link/write time.

Workarounds

There is no complete configuration workaround; the anonymous findings require only network access to the API. Operators who cannot upgrade immediately should restrict network exposure of the API and avoid co-locating private datasets with public maps/relationships, but upgrading to 1.2.3 is the only full remediation.

Remediation

Upgrade to GeoLens 1.2.3:

Container images: ghcr.io/geolens-io/geolens-api:1.2.3 (+ worker/frontend)
Python SDK: geolens==1.2.3 · CLI: geolens-cli==1.2.3 · npm: @geolens/[email protected]

Published: Aug 18, 2026
Updated: Aug 19, 2026
CVE: CVE-2026-55178
GHSA: GHSA-p23g-mvhj-jh3j
Severity: High
Exploit:
CISA KEV:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWEs:

OWASP TOP 10:

A5 - Broken Access Control

Affected Software
References

Software	From	Fixed in
@geolens / sdk	-	1.2.3
geolens-cli	-	1.2.3
geolens	-	1.2.3

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Frequently Asked Questions

What is a Vulnerability (CVE) and why does it matter?

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.