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CVE Record

CVE-2026-32857: Firecrawl Playwright Service SSRF Protection Bypass via Missing Post-Redirect Validation

Firecrawl version 2.8.0 and prior contain a server-side request forgery (SSRF) protection bypass vulnerability in the Playwright scraping service where network policy validation is applied only to the initial user-supplied URL and not to subsequent redirect destinations. Attackers can supply an externally valid URL that passes validation and returns an HTTP redirect to an internal or restricted resource, allowing the browser to follow the redirect and fetch the final destination without revalidation, thereby gaining access to internal network services and sensitive endpoints. This issue is distinct from CVE-2024-56800, which describes redirect-based SSRF generally. This vulnerability specifically arises from a post-redirect enforcement gap in implemented SSRF protections, where validation is applied only to the initial request and not to the final redirected destination.

HighCVSS 8.6Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Firecrawl 2.8.0 and earlier can be tricked into fetching restricted internal URLs during Playwright-based scraping. The initial URL may look allowed, but a redirect can send the browser to an internal service without the same SSRF check being repeated.

Executive priority

Treat this as a high-priority exposure review for any internet-facing or multi-tenant Firecrawl deployment. The business concern is unauthorized visibility into internal systems, not direct system takeover based on the supplied evidence.

Technical view

The flaw is a CWE-918 SSRF protection bypass in Firecrawl's Playwright scraping service. Validation is applied to the user-supplied URL, but not to redirect destinations. A redirect can therefore cause the service-side browser to access internal or restricted endpoints. CVSS is 8.6 high.

Likely exposure

Exposure is most likely where Firecrawl 2.8.0 or earlier accepts untrusted URLs for scraping, especially in environments where the service can reach private networks, metadata endpoints, admin panels, or sensitive internal APIs.

Exploitation context

The provided bundle does not show CISA KEV listing or active exploitation evidence. The risk is credible because the flaw is network-reachable, unauthenticated, low-complexity, and can expose confidential internal resources through redirects.

Researcher notes

This issue is distinct from CVE-2024-56800 because the reported weakness is specifically missing post-redirect enforcement after initial SSRF validation. Patch status and exact fixed versions are not included in the supplied bundle, so vendor advisory confirmation is required.

Mitigation direction

  • Check the Firecrawl advisory for fixed versions and upgrade guidance.
  • Restrict who can submit URLs to the Playwright scraping service.
  • Block scraper egress to internal, metadata, and administrative network ranges.
  • Require SSRF validation after each redirect and on final destinations.
  • Monitor scraping logs for redirects toward private or restricted addresses.

Validation and detection

  • Inventory Firecrawl deployments and confirm versions are above 2.8.0 when fixed.
  • Identify any public or partner-facing URL scraping entry points.
  • Review network paths from the scraper to internal services and metadata endpoints.
  • Inspect logs for scrape requests involving redirects to restricted destinations.
  • Confirm redirect destination validation is enforced in deployed code or vendor patch.
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-918: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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

Cloud metadata behavior lookup

The CVE wording references SSRF or metadata access, so cloud discovery and credential material 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-2026-32857 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
High
CVSS
8.6 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A: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.

2CVSS vectors
3Timeline events
1ADP providers
4Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

CVSS vector scores

2 official scores

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
8.6CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N3.94VulnCheck
7.8CVSS 4.0HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:LVulnCheck

Vulnerability scoring details

Base CVSS 4.0 score

7.8High
CVSS 4.0 vector shape for CVE-2026-32857Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

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

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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
FirecrawlFirecrawl0unknown
Weakness

CWE details

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

CWE-918 · source CWE mapping

Server-Side Request Forgery (SSRF)

Server-Side Request Forgery (SSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.