issue处理注意事项:
1. 提交正常修复分支的修复PR时,必须关联当前issue,否则无法关闭当前issue;
2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容;
3. 以下为模板中需要填写完整的内容, 请复制到评论区回复;
注: 内容的关键词(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否), 原因说明)不能省略,省略后cve-manager将无法正常解析填写内容.
影响性分析说明:
openEuler评分: (评分和向量)
受影响版本排查(受影响/不受影响):
1.master(2.15):
2.openEuler-20.03-LTS-SP4(2.13):
3.openEuler-22.03-LTS-SP4(2.13):
4.openEuler-24.03-LTS-Next(2.14):
5.openEuler-24.03-LTS-SP1(2.14):
6.openEuler-24.03-LTS-SP3(2.14):
7.openEuler-24.03-LTS-SP4(2.14):
修复是否涉及abi变化(是/否)：
1.master(2.15):
2.openEuler-20.03-LTS-SP4(2.13):
3.openEuler-22.03-LTS-SP4(2.13):
4.openEuler-24.03-LTS-Next(2.14):
5.openEuler-24.03-LTS-SP1(2.14):
6.openEuler-24.03-LTS-SP3(2.14):
7.openEuler-24.03-LTS-SP4(2.14):
原因说明：
1.master(2.15):
2.openEuler-20.03-LTS-SP4(2.13):
3.openEuler-22.03-LTS-SP4(2.13):
4.openEuler-24.03-LTS-Next(2.14):
5.openEuler-24.03-LTS-SP1(2.14):
6.openEuler-24.03-LTS-SP3(2.14):
7.openEuler-24.03-LTS-SP4(2.14):
原因说明填写请参考下方表格(注意：版本是否受影响和版本的原因说明必须对应，例如master版本分支受影响，那原因说明只能是受影响对应的原因之一!)：
分支状态 |
原因说明 | 使用场景 |
|---|---|---|
| 受影响 | 正常修复 | 受影响且需要修复（包含升级版本修复）的漏洞； 受影响且已经修复的漏洞（历史修复PR也需要关联issue）； 若因特殊原因无法修复，应修改原因说明为【不修复-特殊原因】，并在安委会备案相关情况。 |
| 受影响 | 漏洞仍在分析中 | 已关注到相关漏洞，正在处理，未明确漏洞影响和修复方案。 |
| 受影响 | 暂不修复-暂无解决方案或补丁 | 当前没有可用的修复或补救措施。【影响性分析】中应包含有关为什么没有修复或补救措施的详细说明、上游相关PR等。 |
| 受影响 | 不修复-超出修复范围 | 没有漏洞的修复计划。当版本停维、软件包宣布生命周期终止或弃用使用。 |
| 受影响 | 不修复-特殊原因导致不再修复 | 如存在其他特殊情况不修复相关漏洞，或评估后无法升级修复，应在openEuler社区安全委员会例会进行说明备案。 【影响性分析】中应包含不发布修复的详细说明、特殊情况还应有安委会会议纪要。 |
| 不受影响 | 不受影响-组件不存在 | 软件不受影响，因为易受攻击的组件不在产品中。 |
| 不受影响 | 不受影响-已有内置的内联控制或缓解措施 | 内置的内联控制或缓解措施可防止攻击者利用漏洞 |
| 不受影响 | 不受影响-漏洞代码不能被攻击者触发 | 易受攻击的组件存在，并且该组件包含易受攻击的代码。但是，易受攻击的代码的使用方式使得攻击者无法进行任何预期的攻击。 |
| 不受影响 | 不受影响-漏洞代码不在执行路径 | 易受影响的代码在执行过程中不可访问，包括产品的非预期状态。产品不使用也不执行的组件。 |
| 不受影响 | 不受影响-漏洞代码不存在 | 产品不受影响，因为漏洞背后的代码在产品中不存在。与component_not_present不同的是，有问题的组件存在，但由于某种原因（例如安全的编译器选项）使漏洞的特定代码不存在于组件中。 |
issue处理具体操作请参考:
https://atomgit.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://docs.atomgit.com/docs/help/home/org_project/pullrequests/pr-related-issue
Welcome To openEuler Community
Hey @openLiBingCI , thanks for your contribution to the community.
Bot Usage Manual
I'm the Bot here serving you. You can find the instructions on how to interact with me at Here . That means you can comment below every pull request or issue to trigger Bot Commands.
Contact Guide
If you have any questions, please contact the SIG: Base-service ,
and any of the maintainers: @dillon_chen, @licihua, @overweight, @shenyangyang, @xujing99, @zhujianwei001 ,
and any of the committers: @hubin1305, @jiayi0118, @luckky7, @lvying6, @znzju .
| 参考网址 | 关联pr | 状态 | 补丁链接 |
|---|---|---|---|
| https://www.opencve.io/cve/CVE-2026-66486 | |||
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2026-66486 | |||
| https://security-tracker.debian.org/tracker/CVE-2026-66486 | |||
| http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2026-66486 | |||
| https://nvd.nist.gov/vuln/detail/CVE-2026-66486 | |||
| https://ubuntu.com/security/CVE-2026-66486 | None | None | https://discourse.ubuntu.com/c/project |
说明：补丁链接仅供初步排查参考，实际可用性请人工再次确认，补丁下载验证可使用CVE补丁工具。
若补丁不准确，烦请在此issue下评论 '/report-patch 参考网址 补丁链接1,补丁链接2' 反馈正确信息，便于我们不断优化工具，不胜感激。
如 /report-patch https://security-tracker.debian.org/tracker/CVE-2021-3997 https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1
/branches master /patch_url https://cgit.git.savannah.gnu.org/cgit/cpio.git/patch/?id=2ff9600c9ef32e88759843cdbde74c8db5ae9b30
CVE-2026-66486
是否需要修复：是
是否存在适配：是
上游社区补丁：无
分支修复情况：
1.master(2.15): 已修复
PR：
补丁适配报告 (CVE-2026-66486)
1. backport-CVE-2026-66486-1.patch
- 状态: 适配成功 (status=adapted)
- 置信度: high
- 冲突说明: 4 of 38 hunks adapted (context adaptation only): (1) NEWS copyright year context mismatch (patch expected '2003-2025', baseline had '2003-2024') — updated copyright year to 2003-2025, changed date to 2026-07-23, added new version info block with --quoting-style and --quote-chars documentation; (2) src/copyout.c hunk 3 context mismatch — patch context had 'error (0, 0, ...' but baseline has 'error (1, 0, ...'; kept baseline context, only changed 'filename' to 'quote (filename)' in field_width_error; (3) src/main.c hunk 3 — get_block_size function does not exist in baseline, inserted cpio_list_quoting_styles and cpio_set_quoting_style functions after warn_control (ending 'return 1; }') instead; also adapted idx_t to size_t since idx_t is not available through main.c includes (system.h does not include idx.h); (4) tests/CVE-2019-14866.at — patch expected '2 blocks' context line not present in baseline, removed it, only changed 'cpio: file:' to 'cpio: 'file':'
/branches master /patch_url https://cgit.git.savannah.gnu.org/cgit/cpio.git/patch/?id=2ff9600c9ef32e88759843cdbde74c8db5ae9b30
CVE-2026-66486
是否需要修复：是
是否存在适配：是
上游社区补丁：无
分支修复情况：
1.master(2.15): 已修复
PR：
补丁适配报告 (CVE-2026-66486)
1. backport-CVE-2026-66486-1.patch
- 状态: 适配成功 (status=adapted)
- 置信度: high
- 冲突说明: 4 of 38 hunks failed direct apply due to simple context-line mismatches. All adapted by updating context lines only; no structural changes. (1) NEWS: copyright year context 2003-2025→2003-2024 (baseline has 2003-2024); (2) src/copyout.c field_width_error: context error(0,0)→error(1,0) (baseline uses exit-on-error); (3) src/main.c: context 'return n;'→'return 1;' (get_block_size absent in cpio-2.15, preceding function is warn-option parser); (4) tests/CVE-2019-14866.at: removed non-existent '2 blocks' context line, adjusted hunk header 7→6. 34 hunks kept verbatim. All gnulib quoting APIs (quote, quote_n, quotearg, set_quoting_style, quoting_style_args, set_char_quoting, DEFAULT_QUOTING_STYLE, idx_t) verified present in baseline gnu/ directory.
/branches openEuler-24.03-LTS-Next /patch_url https://cgit.git.savannah.gnu.org/cgit/cpio.git/patch/?id=2ff9600c9ef32e88759843cdbde74c8db5ae9b30
CVE-2026-66486
是否需要修复：是
是否存在适配：是
上游社区补丁：无
分支修复情况：
1.openEuler-24.03-LTS-Next(2.14): 已修复
PR：
- openEuler-24.03-LTS-Next: https://gitcode.com/src-openeuler/cpio/merge_requests/83
补丁适配报告 (CVE-2026-66486)
1. backport-CVE-2026-66486-1.patch
- 状态: 适配成功 (status=adapted)
- 置信度: high
- 冲突说明: 4 hunks adapted (all context-line adjustments, no structural changes): (1) NEWS:1 — context date 2024-01-14→2023-05-01, copyright 2003-2025→2003-2023, version line 2.15/2024-01-14→2.14/2023-05-01; form feed adjusted from context to added line to match baseline structure; new content (Version 2.15.? section, --quoting-style/--quote-chars docs) preserved. (2) src/copyout.c:287 (field_width_error) — context error(0,0,→error(1,0, to match source; kept filename→quote(filename) change. (3) src/main.c:306 — context return n;→return 1; to match source (different function precedes parse_opt); kept insertion of cpio_list_quoting_styles and cpio_set_quoting_style functions. (4) tests/CVE-2019-14866.at:29 — removed non-existent '2 blocks' context line; kept cpio: file:→cpio: 'file': change.
/branches openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP4 /patch_url https://cgit.git.savannah.gnu.org/cgit/cpio.git/patch/?id=2ff9600c9ef32e88759843cdbde74c8db5ae9b30
CVE-2026-66486
是否需要修复：是
是否存在适配：是
上游社区补丁：无
分支修复情况：
1.openEuler-20.03-LTS-SP4(2.13): 已修复
PR：
- openEuler-20.03-LTS-SP4: https://gitcode.com/src-openeuler/cpio/merge_requests/84
补丁适配报告 (CVE-2026-66486)
1. backport-CVE-2026-66486-1.patch
- 状态: 适配成功 (status=adapted)
- 置信度: high
- 冲突说明: Skipped 1 non-critical file (NEWS changelog differs across versions); Adapted context for 11 hunks in src/copyin.c, src/copyout.c, src/main.c, tests/CVE-2019-14866.at (cross-version context/offset mismatches between cpio 2.13 and 2.15+); Inlined idx_t as size_t (gnulib idx module absent in cpio 2.13 baseline)
CVE-2026-66486
是否需要修复：是
是否存在适配：是
上游社区补丁：无
分支修复情况：
1.openEuler-22.03-LTS-SP4(2.13): 已修复
PR：
- openEuler-22.03-LTS-SP4: https://gitcode.com/src-openeuler/cpio/merge_requests/85
补丁适配报告 (CVE-2026-66486)
1. backport-CVE-2026-66486-1.patch
- 状态: 适配成功 (status=adapted)
- 置信度: high
- 冲突说明: 11 of 38 hunks adapted for cpio-2.13 baseline: (1) NEWS header date 2019-11-06 vs 2024-01-14, copyright split across 2 lines, version 2.13 vs 2.15, only one form feed instead of two; (2) src/copyin.c:1547 Debian hack comment uses spaces not tabs, line offset; (3) src/copyout.c:45 read_for_checksum uses bytes_left/++i loop structure instead of file_size/i++, has extra if(bytes_left<bytes_read) check, no file_size-=bytes_read line; (4) src/copyout.c:53 no file_size-=bytes_read context line; (5) src/copyout.c:287 field_width_error uses error(1,0,...) not error(0,0,...); (6) src/copyout.c:822 blank line after closing brace has trailing tabs; (7) src/main.c:60 enum lacks IGNORE_DIRNLINK_OPTION member present in upstream; (8) src/main.c:306 preceding function is warn_control (return 1) not get_block_size (return n), idx_t type unavailable substituted with size_t; (9) src/main.c:462 blank line has 6 trailing spaces; (10) src/main.c:601 exit line has trailing space; (11) tests/CVE-2019-14866.at:29 expected output lacks '2 blocks' line. 27 directly applicable hunks preserved unchanged.
/branches openEuler-22.03-LTS-SP4 /patch_url https://cgit.git.savannah.gnu.org/cgit/cpio.git/patch/?id=2ff9600c9ef32e88759843cdbde74c8db5ae9b30
CVE-2026-66486
是否需要修复：是
是否存在适配：是
上游社区补丁：无
分支修复情况：
1.openEuler-22.03-LTS-SP4(2.13): 已修复
PR：
- openEuler-22.03-LTS-SP4: https://gitcode.com/src-openeuler/cpio/merge_requests/86
补丁适配报告 (CVE-2026-66486)
1. backport-CVE-2026-66486-1.patch
- 状态: 适配成功 (status=adapted)
- 置信度: high
- 冲突说明: Context adaptation from cpio 2.13 (2019-11-06) to cpio 2.15+ (2026-07-23). 5 files applied cleanly (doc/cpio.texi, src/copypass.c). 5 files needed context adaptation (NEWS, src/copyin.c, src/copyout.c, src/main.c, tests/CVE-2019-14866.at). Only semantic divergence: idx_t->size_t type substitution in cpio_set_quoting_style() function (main.c) — idx_t type absent in cpio 2.13 gnulib, replaced with size_t (standard C type for array indexing, equivalent to idx_t). All gnulib quoting functions (quote, quotearg, quote_n, set_quoting_style, set_char_quoting, quoting_style_args, DEFAULT_QUOTING_STYLE) exist in baseline. Patch applies cleanly to baseline (git apply --check exit 0).
影响性分析说明：GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio -it, member names are printed directly to output without quoting or escaping. An attacker can craft a cpio archive containing member names with embedded newline characters or ANSI escape sequences, causing forged listing entries or terminal control sequence injection when the listing is displayed.This issue has been fixed in commit 2ff9600c9ef32e88759843cdbde74c8db5ae9b30
openEuler评分：
4.6
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
受影响版本排查(受影响/不受影响)：
1.master(2.15):受影响
2.openEuler-20.03-LTS-SP4(2.13):受影响
3.openEuler-22.03-LTS-SP4(2.13):受影响
4.openEuler-24.03-LTS-Next(2.14):受影响
5.openEuler-24.03-LTS-SP1(2.14):受影响
6.openEuler-24.03-LTS-SP3(2.14):受影响
7.openEuler-24.03-LTS-SP4(2.14):受影响
修复是否涉及abi变化(是/否)：
1.master(2.15):否
2.openEuler-20.03-LTS-SP4(2.13):否
3.openEuler-22.03-LTS-SP4(2.13):否
4.openEuler-24.03-LTS-Next(2.14):否
5.openEuler-24.03-LTS-SP1(2.14):否
6.openEuler-24.03-LTS-SP3(2.14):否
7.openEuler-24.03-LTS-SP4(2.14):否
原因说明：
1.master(2.15):正常修复
2.openEuler-20.03-LTS-SP4(2.13):正常修复
3.openEuler-22.03-LTS-SP4(2.13):正常修复
4.openEuler-24.03-LTS-Next(2.14):正常修复
5.openEuler-24.03-LTS-SP1(2.14):正常修复
6.openEuler-24.03-LTS-SP3(2.14):正常修复
7.openEuler-24.03-LTS-SP4(2.14):正常修复
@lvying6 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态 | 分析项目 | 内容 |
|---|---|---|
| 已分析 | 1.影响性分析说明 | GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio -it, member names are printed directly to output without quoting or escaping. An attacker can craft a cpio archive containing member names with embedded newline characters or ANSI escape sequences, causing forged listing entries or terminal control sequence injection when the listing is displayed.This issue has been fixed in commit 2ff9600c9ef32e88759843cdbde74c8db5ae9b30 |
| 已分析 | 2.openEulerScore | 4.6 |
| 已分析 | 3.openEulerVector | AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N |
| 已分析 | 4.受影响版本排查 | master:受影响,openEuler-20.03-LTS-SP4:受影响,openEuler-22.03-LTS-SP4:受影响,openEuler-24.03-LTS-Next:受影响,openEuler-24.03-LTS-SP1:受影响,openEuler-24.03-LTS-SP3:受影响,openEuler-24.03-LTS-SP4:受影响 |
| 已分析 | 5.是否涉及abi变化 | master:否,openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS-Next:否,openEuler-24.03-LTS-SP1:否,openEuler-24.03-LTS-SP3:否,openEuler-24.03-LTS-SP4:否 |
| 已分析 | 6.原因说明 | master:正常修复,openEuler-20.03-LTS-SP4:正常修复,openEuler-22.03-LTS-SP4:正常修复,openEuler-24.03-LTS-Next:正常修复,openEuler-24.03-LTS-SP1:正常修复,openEuler-24.03-LTS-SP3:正常修复,openEuler-24.03-LTS-SP4:正常修复 |
请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.
一、漏洞信息
漏洞编号：CVE-2026-66486
漏洞归属组件：cpio
漏洞归属的版本：2.13,2.14,2.15
CVSS评分：
BaseScore：4.6 Medium
Vector：CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
漏洞简述：
GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio -it, member names are printed directly to output without quoting or escaping. An attacker can craft a cpio archive containing member names with embedded newline characters or ANSI escape sequences, causing forged listing entries or terminal control sequence injection when the listing is displayed.This issue has been fixed in commit 2ff9600c9ef32e88759843cdbde74c8db5ae9b30
漏洞公开时间：2026-08-10 19:17:27
漏洞创建时间：2026-08-10 19:40:09
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2026-66486
更多参考(点击展开)
漏洞分析指导链接：
https://atomgit.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
漏洞数据来源:
其他
漏洞补丁信息：
详情(点击展开)
无
二、漏洞分析结构反馈
影响性分析说明：
GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio -it, member names are printed directly to output without quoting or escaping. An attacker can craft a cpio archive containing member names with embedded newline characters or ANSI escape sequences, causing forged listing entries or terminal control sequence injection when the listing is displayed.This issue has been fixed in commit 2ff9600c9ef32e88759843cdbde74c8db5ae9b30
openEuler评分：
4.6
Vector：CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
受影响版本排查(受影响/不受影响)：
1.master(2.15):受影响
2.openEuler-20.03-LTS-SP4(2.13):受影响
3.openEuler-22.03-LTS-SP4(2.13):受影响
4.openEuler-24.03-LTS-Next(2.14):受影响
5.openEuler-24.03-LTS-SP1(2.14):受影响
6.openEuler-24.03-LTS-SP3(2.14):受影响
7.openEuler-24.03-LTS-SP4(2.14):受影响
修复是否涉及abi变化(是/否)：
1.master(2.15):否
2.openEuler-20.03-LTS-SP4(2.13):否
3.openEuler-22.03-LTS-SP4(2.13):否
4.openEuler-24.03-LTS-Next(2.14):否
5.openEuler-24.03-LTS-SP1(2.14):否
6.openEuler-24.03-LTS-SP3(2.14):否
7.openEuler-24.03-LTS-SP4(2.14):否
原因说明：
1.master(2.15):正常修复
2.openEuler-20.03-LTS-SP4(2.13):正常修复
3.openEuler-22.03-LTS-SP4(2.13):正常修复
4.openEuler-24.03-LTS-Next(2.14):正常修复
5.openEuler-24.03-LTS-SP1(2.14):正常修复
6.openEuler-24.03-LTS-SP3(2.14):正常修复
7.openEuler-24.03-LTS-SP4(2.14):正常修复