GIVE YOUR AGENT THE EVIDENCE

Set up in your agent.

One prompt to get started. Paste it into your coding agent to connect cve.new through MCP and bring vulnerability context into your workflow.

Your agent needs remote MCP support and access to https://cve.new/mcp.

Read the setup guide

GIVE YOUR AGENT THE EVIDENCE

Investigate in your agent.

Turn this advisory into a focused investigation. Ask your agent to check your project’s versions, explain the evidence, and suggest a compatible fix.

Your agent needs remote MCP support and access to https://cve.new/mcp.

Read the setup guide

GHSA-59pp-r3rg-353glow1.2

Composer is vulnerable to ANSI sequence injection

Check your stack

The advisory, in context

Impact

Attackers controlling remote sources that Composer downloads from might in some way inject ANSI control characters in the terminal output of various Composer commands, causing mangled output and potentially leading to confusion or DoS of the terminal application.

There is no proven exploit and this has thus a low severity but Composer still published a CVE as it has potential for abuse, and Composer wants to be on the safe side informing users that they should upgrade.

Patches

2.2.26 for 2.2 LTS or 2.9.3 for mainline.

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Ecosystem versions

From 2.0.0 before 2.2.26

Fixed in 2.2.26

57 explicitly affected versions

2.0.0, 2.0.1, 2.0.10, 2.0.11, 2.0.12, 2.0.13, 2.0.14, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.1.0, 2.1.0-RC1, 2.1.1, 2.1.10, 2.1.11, 2.1.12, 2.1.14, 2.1.2, 2.1.3, 2.1.4, 2.1.5, 2.1.6, 2.1.7, 2.1.8, 2.1.9, 2.2.0, 2.2.0-RC1, 2.2.1, 2.2.10, 2.2.11, 2.2.12, 2.2.13, 2.2.14, 2.2.15, 2.2.16, 2.2.17, 2.2.18, 2.2.19, 2.2.2, 2.2.20, 2.2.21, 2.2.22, 2.2.23, 2.2.24, 2.2.25, 2.2.3, 2.2.4, 2.2.5, 2.2.6, 2.2.7, 2.2.8, 2.2.9

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "2.0.0"
        },
        {
          "fixed": "2.2.26"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
    "2.0.0",
    "2.0.1",
    "2.0.10",
    "2.0.11",
    "2.0.12",
    "2.0.13",
    "2.0.14",
    "2.0.2",
    "2.0.3",
    "2.0.4",
    "2.0.5",
    "2.0.6",
    "2.0.7",
    "2.0.8",
    "2.0.9",
    "2.1.0",
    "2.1.0-RC1",
    "2.1.1",
    "2.1.10",
    "2.1.11",
    "2.1.12",
    "2.1.14",
    "2.1.2",
    "2.1.3",
    "2.1.4",
    "2.1.5",
    "2.1.6",
    "2.1.7",
    "2.1.8",
    "2.1.9",
    "2.2.0",
    "2.2.0-RC1",
    "2.2.1",
    "2.2.10",
    "2.2.11",
    "2.2.12",
    "2.2.13",
    "2.2.14",
    "2.2.15",
    "2.2.16",
    "2.2.17",
    "2.2.18",
    "2.2.19",
    "2.2.2",
    "2.2.20",
    "2.2.21",
    "2.2.22",
    "2.2.23",
    "2.2.24",
    "2.2.25",
    "2.2.3",
    "2.2.4",
    "2.2.5",
    "2.2.6",
    "2.2.7",
    "2.2.8",
    "2.2.9"
  ]
}
Ecosystem versions

From 2.3.0 before 2.9.3

Fixed in 2.9.3

60 explicitly affected versions

2.3.0, 2.3.1, 2.3.10, 2.3.2, 2.3.3, 2.3.4, 2.3.5, 2.3.6, 2.3.7, 2.3.8, 2.3.9, 2.4.0, 2.4.0-RC1, 2.4.1, 2.4.2, 2.4.3, 2.4.4, 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.5.5, 2.5.6, 2.5.7, 2.5.8, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, 2.7.6, 2.7.7, 2.7.8, 2.7.9, 2.8.0, 2.8.1, 2.8.10, 2.8.11, 2.8.12, 2.8.2, 2.8.3, 2.8.4, 2.8.5, 2.8.6, 2.8.7, 2.8.8, 2.8.9, 2.9.0, 2.9.0-RC1, 2.9.1, 2.9.2

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "2.3.0"
        },
        {
          "fixed": "2.9.3"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
    "2.3.0",
    "2.3.1",
    "2.3.10",
    "2.3.2",
    "2.3.3",
    "2.3.4",
    "2.3.5",
    "2.3.6",
    "2.3.7",
    "2.3.8",
    "2.3.9",
    "2.4.0",
    "2.4.0-RC1",
    "2.4.1",
    "2.4.2",
    "2.4.3",
    "2.4.4",
    "2.5.0",
    "2.5.1",
    "2.5.2",
    "2.5.3",
    "2.5.4",
    "2.5.5",
    "2.5.6",
    "2.5.7",
    "2.5.8",
    "2.6.0",
    "2.6.1",
    "2.6.2",
    "2.6.3",
    "2.6.4",
    "2.6.5",
    "2.6.6",
    "2.7.0",
    "2.7.1",
    "2.7.2",
    "2.7.3",
    "2.7.4",
    "2.7.5",
    "2.7.6",
    "2.7.7",
    "2.7.8",
    "2.7.9",
    "2.8.0",
    "2.8.1",
    "2.8.10",
    "2.8.11",
    "2.8.12",
    "2.8.2",
    "2.8.3",
    "2.8.4",
    "2.8.5",
    "2.8.6",
    "2.8.7",
    "2.8.8",
    "2.8.9",
    "2.9.0",
    "2.9.0-RC1",
    "2.9.1",
    "2.9.2"
  ]
}

References