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openEuler iSulad arbitrary file read via tar package loading

CVE-2026-111435EUVD-2026-124257GHSA-QG5C-WC5W-5WP2

7.4HighCNA
Exploited
No known exploitation
Fix
Fix or patch referenced
Who is exposed
Not reported

Do first: Apply the patch listed under Evidence.

Published
Last modified
Reference
Last checked
0.43% · 37th percentile
14/100 · provisional
None on Exploit-DB, Metasploit or GitHub

Summary

Relative path traversal in openEuler iSulad lets a malicious tar package, when loaded by the software, make the root-privileged daemon read any file on the host. The attacker can reach it remotely without logging in, but a user has to take an action, such as loading the crafted package.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

Relative path traversal vulnerability in openEuler iSulad on Linux.

This vulnerability is associated with program file src/daemon/modules/image/oci/oci_load.c.

This issue affects iSulad: through 2.1.6.

In oci_load.c, oci_load_process_manifest() does not sanitize the Config path of manifest.json. A malicious tar package can enable the isulad with the root permission to read any file on the host.

cve.now Index

14Pcve.now Index 14 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure7/25Reachable over the network without a login · Unknown: No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity7.4/10CVSS 7.4
  • No patch0/5No signal

What would change the score

  • Would score about 69 if added to CISA KEV
  • Would score about 64 if CISA's SSVC rates exploitation active
  • Would score about 29 if advisories confirm default setups are exposed

What to do

  • Apply the patch listed under Evidence.

Check your systems with an agent

Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.

Check whether my systems are affected by CVE-2026-111435 (Relative path traversal vulnerability in openEuler iSulad on Linux.), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-111435 (entry last updated 2026-11-12):
Affected:
- openEuler iSulad: through 2.1.6
Fixed versions: none listed yet.
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
CISA KEV: CVE-2026-111435 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-111435 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4865
- https://atomgit.com/openeuler/iSulad/commit/370889a81f1e7381de68ad7ded88b3439e266af5?ref=master&prId=2646
- https://atomgit.com/src-openeuler/iSulad/pull/812
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-111435
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-111435"}.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. Record last updated

Affected versions

  • iSulad

    through 2.1.6

Evidence 5

Vendor advisory · 1

Establishes: Affected and fixed versions.

  1. Advisory

CVE record · 2

Establishes: The identifier and description.

  1. Record
  2. Record

Other links · 2

  1. Patch
  2. Patch

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-111435

Is CVE-2026-111435 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-111435?

iSulad: through 2.1.6.Source: cve.now feed data