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🛡️ CVE-2026-47214 — docling

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-400 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Docling: Unsafe URI and Path Handling in HTML Backend

Impact

The HTML backend did not perform sufficient validation during resource handling:

  • Accepted file:// URIs enabling local file system access when enable_local_fetch=True
  • Path resolution allowed traversal outside intended directories via ../ sequences and absolute paths
  • Did not block internal network resources under enable_remote_fetch=True
  • HTTP redirects were not validated, potentially redirecting to unintended schemes
  • No resource limits for remote image downloads and data: URIs

Patches

Fixed in versions 2.91.0 (initial fixes) and 2.94.0 (additional improvements). The fixes implement:

  • Updated local path treatment: absolute files always blocked, relative paths require enable_local_fetch=True (default: False) and containment within configured base_path for path traversal protection
  • file:// scheme stripped & treated as local path (above)
  • IP address validation to prevent SSRF
  • HTTP redirect validation, connection and read timeouts
  • Size limit for both remote images (with streaming download) and base64-decoded data URIs

Workarounds

Keep both enable_local_fetch=False and enable_remote_fetch=False (defaults) when processing untrusted HTML documents.

References

  • Initial fixes: [v2.91.0](https://github.com/docling-project/docling/releases/tag/v2.91.0)
  • Additional improvements: [v2.94.0](https://github.com/docling-project/docling/releases/tag/v2.94.0)

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability low.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: Required — someone has to click, open or visit something.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: None.
  • Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

CVE-2026-47214 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

CVE-2026-47214 is recorded against 1 package.

  • docling (fixed in 2.94.0)

Timeline and source

Published on 26 June 2026 and last revised on 21 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

github.com (Fix)
github.com (Fix)

Other advisories for this package

docling has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-400: Uncontrolled Resource Consumption) in other software:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
CWE CWE-400
Public Exploit ✅ No
Source OSV
Published 2026-06-26
Updated 2026-08-20
Modified 2026-07-21

Affected Packages

Software From version Fixed in
docling — 2.94.0

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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